8000280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 96

約数和(自身を含む): 26451360

約数和(自身を除く): 18451080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 90, 120, 142, 180, 213, 284, 313, 355, 360, 426, 568, 626, 639, 710, 852, 939, 1065, 1252, 1278, 1420, 1565, 1704, 1878, 2130, 2504, 2556, 2817, 2840, 3130, 3195, 3756, 4260, 4695, 5112, 5634, 6260, 6390, 7512, 8520, 9390, 11268, 12520, 12780, 14085, 18780, 22223, 22536, 25560, 28170, 37560, 44446, 56340, 66669, 88892, 111115, 112680, 133338, 177784, 200007, 222230, 266676, 333345, 400014, 444460, 533352, 666690, 800028, 888920, 1000035, 1333380, 1600056, 2000070, 2666760, 4000140, 8000280]

約数ペア:

[(1, 8000280), (2, 4000140), (3, 2666760), (4, 2000070), (5, 1600056), (6, 1333380), (8, 1000035), (9, 888920), (10, 800028), (12, 666690), (15, 533352), (18, 444460), (20, 400014), (24, 333345), (30, 266676), (36, 222230), (40, 200007), (45, 177784), (60, 133338), (71, 112680), (72, 111115), (90, 88892), (120, 66669), (142, 56340), (180, 44446), (213, 37560), (284, 28170), (313, 25560), (355, 22536), (360, 22223), (426, 18780), (568, 14085), (626, 12780), (639, 12520), (710, 11268), (852, 9390), (939, 8520), (1065, 7512), (1252, 6390), (1278, 6260), (1420, 5634), (1565, 5112), (1704, 4695), (1878, 4260), (2130, 3756), (2504, 3195), (2556, 3130), (2817, 2840)]