78835120

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:77

約数の個数: 240

約数和(自身を含む): 245073600

約数和(自身を除く): 166238480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 80, 85, 91, 98, 104, 112, 119, 130, 136, 140, 169, 170, 182, 196, 208, 221, 238, 245, 260, 272, 280, 338, 340, 343, 364, 392, 442, 455, 476, 490, 520, 560, 595, 637, 676, 680, 686, 728, 784, 833, 845, 884, 910, 952, 980, 1040, 1105, 1183, 1190, 1274, 1352, 1360, 1372, 1456, 1547, 1666, 1690, 1715, 1768, 1820, 1904, 1960, 2210, 2366, 2380, 2548, 2704, 2744, 2873, 3094, 3185, 3332, 3380, 3430, 3536, 3640, 3920, 4165, 4420, 4459, 4732, 4760, 5096, 5488, 5746, 5831, 5915, 6188, 6370, 6664, 6760, 6860, 7280, 7735, 8281, 8330, 8840, 8918, 9464, 9520, 10192, 10829, 11492, 11662, 11830, 12376, 12740, 13328, 13520, 13720, 14365, 15470, 16562, 16660, 17680, 17836, 18928, 20111, 21658, 22295, 22984, 23324, 23660, 24752, 25480, 27440, 28730, 29155, 30940, 33124, 33320, 35672, 40222, 41405, 43316, 44590, 45968, 46648, 47320, 50960, 54145, 57460, 57967, 58310, 61880, 66248, 66640, 71344, 75803, 80444, 82810, 86632, 89180, 93296, 94640, 100555, 108290, 114920, 115934, 116620, 123760, 132496, 140777, 151606, 160888, 165620, 173264, 178360, 201110, 216580, 229840, 231868, 233240, 281554, 289835, 303212, 321776, 331240, 356720, 379015, 402220, 433160, 463736, 466480, 563108, 579670, 606424, 662480, 703885, 758030, 804440, 866320, 927472, 985439, 1126216, 1159340, 1212848, 1407770, 1516060, 1608880, 1970878, 2252432, 2318680, 2815540, 3032120, 3941756, 4637360, 4927195, 5631080, 6064240, 7883512, 9854390, 11262160, 15767024, 19708780, 39417560, 78835120]

約数ペア:

[(1, 78835120), (2, 39417560), (4, 19708780), (5, 15767024), (7, 11262160), (8, 9854390), (10, 7883512), (13, 6064240), (14, 5631080), (16, 4927195), (17, 4637360), (20, 3941756), (26, 3032120), (28, 2815540), (34, 2318680), (35, 2252432), (40, 1970878), (49, 1608880), (52, 1516060), (56, 1407770), (65, 1212848), (68, 1159340), (70, 1126216), (80, 985439), (85, 927472), (91, 866320), (98, 804440), (104, 758030), (112, 703885), (119, 662480), (130, 606424), (136, 579670), (140, 563108), (169, 466480), (170, 463736), (182, 433160), (196, 402220), (208, 379015), (221, 356720), (238, 331240), (245, 321776), (260, 303212), (272, 289835), (280, 281554), (338, 233240), (340, 231868), (343, 229840), (364, 216580), (392, 201110), (442, 178360), (455, 173264), (476, 165620), (490, 160888), (520, 151606), (560, 140777), (595, 132496), (637, 123760), (676, 116620), (680, 115934), (686, 114920), (728, 108290), (784, 100555), (833, 94640), (845, 93296), (884, 89180), (910, 86632), (952, 82810), (980, 80444), (1040, 75803), (1105, 71344), (1183, 66640), (1190, 66248), (1274, 61880), (1352, 58310), (1360, 57967), (1372, 57460), (1456, 54145), (1547, 50960), (1666, 47320), (1690, 46648), (1715, 45968), (1768, 44590), (1820, 43316), (1904, 41405), (1960, 40222), (2210, 35672), (2366, 33320), (2380, 33124), (2548, 30940), (2704, 29155), (2744, 28730), (2873, 27440), (3094, 25480), (3185, 24752), (3332, 23660), (3380, 23324), (3430, 22984), (3536, 22295), (3640, 21658), (3920, 20111), (4165, 18928), (4420, 17836), (4459, 17680), (4732, 16660), (4760, 16562), (5096, 15470), (5488, 14365), (5746, 13720), (5831, 13520), (5915, 13328), (6188, 12740), (6370, 12376), (6664, 11830), (6760, 11662), (6860, 11492), (7280, 10829), (7735, 10192), (8281, 9520), (8330, 9464), (8840, 8918)]