8707440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 31712256

約数和(自身を除く): 23004816

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 71, 73, 80, 84, 105, 112, 120, 140, 142, 146, 168, 210, 213, 219, 240, 280, 284, 292, 336, 355, 365, 420, 426, 438, 497, 511, 560, 568, 584, 710, 730, 840, 852, 876, 994, 1022, 1065, 1095, 1136, 1168, 1420, 1460, 1491, 1533, 1680, 1704, 1752, 1988, 2044, 2130, 2190, 2485, 2555, 2840, 2920, 2982, 3066, 3408, 3504, 3976, 4088, 4260, 4380, 4970, 5110, 5183, 5680, 5840, 5964, 6132, 7455, 7665, 7952, 8176, 8520, 8760, 9940, 10220, 10366, 11928, 12264, 14910, 15330, 15549, 17040, 17520, 19880, 20440, 20732, 23856, 24528, 25915, 29820, 30660, 31098, 36281, 39760, 40880, 41464, 51830, 59640, 61320, 62196, 72562, 77745, 82928, 103660, 108843, 119280, 122640, 124392, 145124, 155490, 181405, 207320, 217686, 248784, 290248, 310980, 362810, 414640, 435372, 544215, 580496, 621960, 725620, 870744, 1088430, 1243920, 1451240, 1741488, 2176860, 2902480, 4353720, 8707440]

約数ペア:

[(1, 8707440), (2, 4353720), (3, 2902480), (4, 2176860), (5, 1741488), (6, 1451240), (7, 1243920), (8, 1088430), (10, 870744), (12, 725620), (14, 621960), (15, 580496), (16, 544215), (20, 435372), (21, 414640), (24, 362810), (28, 310980), (30, 290248), (35, 248784), (40, 217686), (42, 207320), (48, 181405), (56, 155490), (60, 145124), (70, 124392), (71, 122640), (73, 119280), (80, 108843), (84, 103660), (105, 82928), (112, 77745), (120, 72562), (140, 62196), (142, 61320), (146, 59640), (168, 51830), (210, 41464), (213, 40880), (219, 39760), (240, 36281), (280, 31098), (284, 30660), (292, 29820), (336, 25915), (355, 24528), (365, 23856), (420, 20732), (426, 20440), (438, 19880), (497, 17520), (511, 17040), (560, 15549), (568, 15330), (584, 14910), (710, 12264), (730, 11928), (840, 10366), (852, 10220), (876, 9940), (994, 8760), (1022, 8520), (1065, 8176), (1095, 7952), (1136, 7665), (1168, 7455), (1420, 6132), (1460, 5964), (1491, 5840), (1533, 5680), (1680, 5183), (1704, 5110), (1752, 4970), (1988, 4380), (2044, 4260), (2130, 4088), (2190, 3976), (2485, 3504), (2555, 3408), (2840, 3066), (2920, 2982)]