1556553560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{5419}}^1$

素因数の和:5640

約数の個数: 64

約数和(自身を含む): 3605817600

約数和(自身を除く): 2049264040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 334, 344, 430, 668, 835, 860, 1336, 1670, 1720, 3340, 5419, 6680, 7181, 10838, 14362, 21676, 27095, 28724, 35905, 43352, 54190, 57448, 71810, 108380, 143620, 216760, 233017, 287240, 466034, 904973, 932068, 1165085, 1809946, 1864136, 2330170, 3619892, 4524865, 4660340, 7239784, 9049730, 9320680, 18099460, 36198920, 38913839, 77827678, 155655356, 194569195, 311310712, 389138390, 778276780, 1556553560]

約数ペア:

[(1, 1556553560), (2, 778276780), (4, 389138390), (5, 311310712), (8, 194569195), (10, 155655356), (20, 77827678), (40, 38913839), (43, 36198920), (86, 18099460), (167, 9320680), (172, 9049730), (215, 7239784), (334, 4660340), (344, 4524865), (430, 3619892), (668, 2330170), (835, 1864136), (860, 1809946), (1336, 1165085), (1670, 932068), (1720, 904973), (3340, 466034), (5419, 287240), (6680, 233017), (7181, 216760), (10838, 143620), (14362, 108380), (21676, 71810), (27095, 57448), (28724, 54190), (35905, 43352)]