74664280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 175543200

約数和(自身を除く): 100878920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 530, 820, 859, 1060, 1640, 1718, 2120, 2173, 3436, 4295, 4346, 6872, 8590, 8692, 10865, 17180, 17384, 21730, 34360, 35219, 43460, 45527, 70438, 86920, 91054, 140876, 176095, 182108, 227635, 281752, 352190, 364216, 455270, 704380, 910540, 1408760, 1821080, 1866607, 3733214, 7466428, 9333035, 14932856, 18666070, 37332140, 74664280]

約数ペア:

[(1, 74664280), (2, 37332140), (4, 18666070), (5, 14932856), (8, 9333035), (10, 7466428), (20, 3733214), (40, 1866607), (41, 1821080), (53, 1408760), (82, 910540), (106, 704380), (164, 455270), (205, 364216), (212, 352190), (265, 281752), (328, 227635), (410, 182108), (424, 176095), (530, 140876), (820, 91054), (859, 86920), (1060, 70438), (1640, 45527), (1718, 43460), (2120, 35219), (2173, 34360), (3436, 21730), (4295, 17384), (4346, 17180), (6872, 10865), (8590, 8692)]