621960

素因数分解:

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

素因数の和:158

約数の個数: 64

約数和(自身を含む): 1918080

約数和(自身を除く): 1296120

約数列:

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

約数ペア:

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