128524760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:146

約数の個数: 256

約数和(自身を含む): 394813440

約数和(自身を除く): 266288680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 31, 34, 35, 40, 52, 56, 62, 65, 67, 68, 70, 85, 91, 104, 119, 124, 130, 134, 136, 140, 155, 170, 182, 217, 221, 238, 248, 260, 268, 280, 310, 335, 340, 364, 403, 434, 442, 455, 469, 476, 520, 527, 536, 595, 620, 670, 680, 728, 806, 868, 871, 884, 910, 938, 952, 1054, 1085, 1105, 1139, 1190, 1240, 1340, 1547, 1612, 1736, 1742, 1768, 1820, 1876, 2015, 2077, 2108, 2170, 2210, 2278, 2345, 2380, 2635, 2680, 2821, 3094, 3224, 3484, 3640, 3689, 3752, 4030, 4154, 4216, 4340, 4355, 4420, 4556, 4690, 4760, 5270, 5642, 5695, 6097, 6188, 6851, 6968, 7378, 7735, 7973, 8060, 8308, 8680, 8710, 8840, 9112, 9380, 10385, 10540, 11284, 11390, 12194, 12376, 13702, 14105, 14539, 14756, 14807, 15470, 15946, 16120, 16616, 17420, 18445, 18760, 20770, 21080, 22568, 22780, 24388, 27001, 27404, 28210, 29078, 29512, 29614, 30485, 30940, 31892, 34255, 34840, 35309, 36890, 39865, 41540, 45560, 47957, 48776, 54002, 54808, 56420, 58156, 59228, 60970, 61880, 63784, 68510, 70618, 72695, 73780, 74035, 79730, 83080, 95914, 103649, 108004, 112840, 116312, 118456, 121940, 135005, 137020, 141236, 145390, 147560, 148070, 159460, 176545, 189007, 191828, 207298, 216008, 239785, 243880, 247163, 270010, 274040, 282472, 290780, 296140, 318920, 353090, 378014, 383656, 414596, 459017, 479570, 494326, 518245, 540020, 581560, 592280, 706180, 756028, 829192, 918034, 945035, 959140, 988652, 1036490, 1080040, 1235815, 1412360, 1512056, 1836068, 1890070, 1918280, 1977304, 2072980, 2295085, 2471630, 3213119, 3672136, 3780140, 4145960, 4590170, 4943260, 6426238, 7560280, 9180340, 9886520, 12852476, 16065595, 18360680, 25704952, 32131190, 64262380, 128524760]

約数ペア:

[(1, 128524760), (2, 64262380), (4, 32131190), (5, 25704952), (7, 18360680), (8, 16065595), (10, 12852476), (13, 9886520), (14, 9180340), (17, 7560280), (20, 6426238), (26, 4943260), (28, 4590170), (31, 4145960), (34, 3780140), (35, 3672136), (40, 3213119), (52, 2471630), (56, 2295085), (62, 2072980), (65, 1977304), (67, 1918280), (68, 1890070), (70, 1836068), (85, 1512056), (91, 1412360), (104, 1235815), (119, 1080040), (124, 1036490), (130, 988652), (134, 959140), (136, 945035), (140, 918034), (155, 829192), (170, 756028), (182, 706180), (217, 592280), (221, 581560), (238, 540020), (248, 518245), (260, 494326), (268, 479570), (280, 459017), (310, 414596), (335, 383656), (340, 378014), (364, 353090), (403, 318920), (434, 296140), (442, 290780), (455, 282472), (469, 274040), (476, 270010), (520, 247163), (527, 243880), (536, 239785), (595, 216008), (620, 207298), (670, 191828), (680, 189007), (728, 176545), (806, 159460), (868, 148070), (871, 147560), (884, 145390), (910, 141236), (938, 137020), (952, 135005), (1054, 121940), (1085, 118456), (1105, 116312), (1139, 112840), (1190, 108004), (1240, 103649), (1340, 95914), (1547, 83080), (1612, 79730), (1736, 74035), (1742, 73780), (1768, 72695), (1820, 70618), (1876, 68510), (2015, 63784), (2077, 61880), (2108, 60970), (2170, 59228), (2210, 58156), (2278, 56420), (2345, 54808), (2380, 54002), (2635, 48776), (2680, 47957), (2821, 45560), (3094, 41540), (3224, 39865), (3484, 36890), (3640, 35309), (3689, 34840), (3752, 34255), (4030, 31892), (4154, 30940), (4216, 30485), (4340, 29614), (4355, 29512), (4420, 29078), (4556, 28210), (4690, 27404), (4760, 27001), (5270, 24388), (5642, 22780), (5695, 22568), (6097, 21080), (6188, 20770), (6851, 18760), (6968, 18445), (7378, 17420), (7735, 16616), (7973, 16120), (8060, 15946), (8308, 15470), (8680, 14807), (8710, 14756), (8840, 14539), (9112, 14105), (9380, 13702), (10385, 12376), (10540, 12194), (11284, 11390)]