120404840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 278078400

約数和(自身を除く): 157673560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 163, 236, 295, 313, 326, 472, 590, 626, 652, 815, 1180, 1252, 1304, 1565, 1630, 2360, 2504, 3130, 3260, 6260, 6520, 9617, 12520, 18467, 19234, 36934, 38468, 48085, 51019, 73868, 76936, 92335, 96170, 102038, 147736, 184670, 192340, 204076, 255095, 369340, 384680, 408152, 510190, 738680, 1020380, 2040760, 3010121, 6020242, 12040484, 15050605, 24080968, 30101210, 60202420, 120404840]

約数ペア:

[(1, 120404840), (2, 60202420), (4, 30101210), (5, 24080968), (8, 15050605), (10, 12040484), (20, 6020242), (40, 3010121), (59, 2040760), (118, 1020380), (163, 738680), (236, 510190), (295, 408152), (313, 384680), (326, 369340), (472, 255095), (590, 204076), (626, 192340), (652, 184670), (815, 147736), (1180, 102038), (1252, 96170), (1304, 92335), (1565, 76936), (1630, 73868), (2360, 51019), (2504, 48085), (3130, 38468), (3260, 36934), (6260, 19234), (6520, 18467), (9617, 12520)]