1243920

素因数分解:

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

素因数の和:160

約数の個数: 80

約数和(自身を含む): 3964032

約数和(自身を除く): 2720112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 73, 80, 120, 142, 146, 213, 219, 240, 284, 292, 355, 365, 426, 438, 568, 584, 710, 730, 852, 876, 1065, 1095, 1136, 1168, 1420, 1460, 1704, 1752, 2130, 2190, 2840, 2920, 3408, 3504, 4260, 4380, 5183, 5680, 5840, 8520, 8760, 10366, 15549, 17040, 17520, 20732, 25915, 31098, 41464, 51830, 62196, 77745, 82928, 103660, 124392, 155490, 207320, 248784, 310980, 414640, 621960, 1243920]

約数ペア:

[(1, 1243920), (2, 621960), (3, 414640), (4, 310980), (5, 248784), (6, 207320), (8, 155490), (10, 124392), (12, 103660), (15, 82928), (16, 77745), (20, 62196), (24, 51830), (30, 41464), (40, 31098), (48, 25915), (60, 20732), (71, 17520), (73, 17040), (80, 15549), (120, 10366), (142, 8760), (146, 8520), (213, 5840), (219, 5680), (240, 5183), (284, 4380), (292, 4260), (355, 3504), (365, 3408), (426, 2920), (438, 2840), (568, 2190), (584, 2130), (710, 1752), (730, 1704), (852, 1460), (876, 1420), (1065, 1168), (1095, 1136)]