2640976520

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 384

約数和(自身を含む): 8063712000

約数和(自身を除く): 5422735480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 67, 68, 70, 85, 91, 98, 104, 119, 130, 134, 136, 140, 169, 170, 182, 196, 221, 238, 245, 260, 268, 280, 335, 338, 340, 343, 364, 392, 442, 455, 469, 476, 490, 520, 536, 595, 637, 670, 676, 680, 686, 728, 833, 845, 871, 884, 910, 938, 952, 980, 1105, 1139, 1183, 1190, 1274, 1340, 1352, 1372, 1547, 1666, 1690, 1715, 1742, 1768, 1820, 1876, 1960, 2210, 2278, 2345, 2366, 2380, 2548, 2680, 2744, 2873, 3094, 3185, 3283, 3332, 3380, 3430, 3484, 3640, 3752, 4165, 4355, 4420, 4459, 4556, 4690, 4732, 4760, 5096, 5695, 5746, 5831, 5915, 6097, 6188, 6370, 6566, 6664, 6760, 6860, 6968, 7735, 7973, 8281, 8330, 8710, 8840, 8918, 9112, 9380, 9464, 10829, 11323, 11390, 11492, 11662, 11830, 12194, 12376, 12740, 13132, 13720, 14365, 14807, 15470, 15946, 16415, 16562, 16660, 17420, 17836, 18760, 20111, 21658, 22295, 22646, 22780, 22981, 22984, 23324, 23660, 24388, 25480, 26264, 28730, 29155, 29614, 30485, 30940, 31892, 32830, 33124, 33320, 34840, 35672, 39865, 40222, 41405, 42679, 43316, 44590, 45292, 45560, 45962, 46648, 47320, 48776, 54145, 55811, 56615, 57460, 57967, 58310, 59228, 60970, 61880, 63784, 65660, 66248, 74035, 75803, 79261, 79730, 80444, 82810, 85358, 86632, 89180, 90584, 91924, 100555, 103649, 108290, 111622, 113230, 114905, 114920, 115934, 116620, 118456, 121940, 131320, 140777, 148070, 151606, 158522, 159460, 160888, 165620, 170716, 178360, 183848, 192491, 201110, 207298, 213395, 216580, 223244, 226460, 229810, 231868, 233240, 243880, 279055, 281554, 289835, 296140, 298753, 303212, 317044, 318920, 331240, 341432, 379015, 384982, 390677, 396305, 402220, 414596, 426790, 433160, 446488, 452920, 459620, 463736, 518245, 554827, 558110, 563108, 579670, 592280, 597506, 606424, 634088, 703885, 725543, 758030, 769964, 781354, 792610, 804440, 829192, 853580, 919240, 962455, 985439, 1036490, 1109654, 1116220, 1126216, 1159340, 1195012, 1347437, 1407770, 1451086, 1493765, 1516060, 1539928, 1562708, 1585220, 1707160, 1924910, 1953385, 1970878, 2072980, 2219308, 2232440, 2318680, 2390024, 2694874, 2774135, 2815540, 2902172, 2987530, 3032120, 3125416, 3170440, 3627715, 3849820, 3883789, 3906770, 3941756, 4145960, 4438616, 4927195, 5078801, 5389748, 5548270, 5631080, 5804344, 5975060, 6737185, 7255430, 7699640, 7767578, 7813540, 7883512, 9432059, 9854390, 10157602, 10779496, 11096540, 11950120, 13474370, 14510860, 15535156, 15627080, 18864118, 19418945, 19708780, 20315204, 22193080, 25394005, 26948740, 29021720, 31070312, 37728236, 38837890, 39417560, 40630408, 47160295, 50788010, 53897480, 66024413, 75456472, 77675780, 94320590, 101576020, 132048826, 155351560, 188641180, 203152040, 264097652, 330122065, 377282360, 528195304, 660244130, 1320488260, 2640976520]

約数ペア:

[(1, 2640976520), (2, 1320488260), (4, 660244130), (5, 528195304), (7, 377282360), (8, 330122065), (10, 264097652), (13, 203152040), (14, 188641180), (17, 155351560), (20, 132048826), (26, 101576020), (28, 94320590), (34, 77675780), (35, 75456472), (40, 66024413), (49, 53897480), (52, 50788010), (56, 47160295), (65, 40630408), (67, 39417560), (68, 38837890), (70, 37728236), (85, 31070312), (91, 29021720), (98, 26948740), (104, 25394005), (119, 22193080), (130, 20315204), (134, 19708780), (136, 19418945), (140, 18864118), (169, 15627080), (170, 15535156), (182, 14510860), (196, 13474370), (221, 11950120), (238, 11096540), (245, 10779496), (260, 10157602), (268, 9854390), (280, 9432059), (335, 7883512), (338, 7813540), (340, 7767578), (343, 7699640), (364, 7255430), (392, 6737185), (442, 5975060), (455, 5804344), (469, 5631080), (476, 5548270), (490, 5389748), (520, 5078801), (536, 4927195), (595, 4438616), (637, 4145960), (670, 3941756), (676, 3906770), (680, 3883789), (686, 3849820), (728, 3627715), (833, 3170440), (845, 3125416), (871, 3032120), (884, 2987530), (910, 2902172), (938, 2815540), (952, 2774135), (980, 2694874), (1105, 2390024), (1139, 2318680), (1183, 2232440), (1190, 2219308), (1274, 2072980), (1340, 1970878), (1352, 1953385), (1372, 1924910), (1547, 1707160), (1666, 1585220), (1690, 1562708), (1715, 1539928), (1742, 1516060), (1768, 1493765), (1820, 1451086), (1876, 1407770), (1960, 1347437), (2210, 1195012), (2278, 1159340), (2345, 1126216), (2366, 1116220), (2380, 1109654), (2548, 1036490), (2680, 985439), (2744, 962455), (2873, 919240), (3094, 853580), (3185, 829192), (3283, 804440), (3332, 792610), (3380, 781354), (3430, 769964), (3484, 758030), (3640, 725543), (3752, 703885), (4165, 634088), (4355, 606424), (4420, 597506), (4459, 592280), (4556, 579670), (4690, 563108), (4732, 558110), (4760, 554827), (5096, 518245), (5695, 463736), (5746, 459620), (5831, 452920), (5915, 446488), (6097, 433160), (6188, 426790), (6370, 414596), (6566, 402220), (6664, 396305), (6760, 390677), (6860, 384982), (6968, 379015), (7735, 341432), (7973, 331240), (8281, 318920), (8330, 317044), (8710, 303212), (8840, 298753), (8918, 296140), (9112, 289835), (9380, 281554), (9464, 279055), (10829, 243880), (11323, 233240), (11390, 231868), (11492, 229810), (11662, 226460), (11830, 223244), (12194, 216580), (12376, 213395), (12740, 207298), (13132, 201110), (13720, 192491), (14365, 183848), (14807, 178360), (15470, 170716), (15946, 165620), (16415, 160888), (16562, 159460), (16660, 158522), (17420, 151606), (17836, 148070), (18760, 140777), (20111, 131320), (21658, 121940), (22295, 118456), (22646, 116620), (22780, 115934), (22981, 114920), (22984, 114905), (23324, 113230), (23660, 111622), (24388, 108290), (25480, 103649), (26264, 100555), (28730, 91924), (29155, 90584), (29614, 89180), (30485, 86632), (30940, 85358), (31892, 82810), (32830, 80444), (33124, 79730), (33320, 79261), (34840, 75803), (35672, 74035), (39865, 66248), (40222, 65660), (41405, 63784), (42679, 61880), (43316, 60970), (44590, 59228), (45292, 58310), (45560, 57967), (45962, 57460), (46648, 56615), (47320, 55811), (48776, 54145)]