31809060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2897}}^1$

素因数の和:2973

約数の個数: 72

約数和(自身を含む): 98103096

約数和(自身を除く): 66294036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 2897, 3660, 5490, 5794, 8691, 10980, 11588, 14485, 17382, 26073, 28970, 34764, 43455, 52146, 57940, 86910, 104292, 130365, 173820, 176717, 260730, 353434, 521460, 530151, 706868, 883585, 1060302, 1590453, 1767170, 2120604, 2650755, 3180906, 3534340, 5301510, 6361812, 7952265, 10603020, 15904530, 31809060]

約数ペア:

[(1, 31809060), (2, 15904530), (3, 10603020), (4, 7952265), (5, 6361812), (6, 5301510), (9, 3534340), (10, 3180906), (12, 2650755), (15, 2120604), (18, 1767170), (20, 1590453), (30, 1060302), (36, 883585), (45, 706868), (60, 530151), (61, 521460), (90, 353434), (122, 260730), (180, 176717), (183, 173820), (244, 130365), (305, 104292), (366, 86910), (549, 57940), (610, 52146), (732, 43455), (915, 34764), (1098, 28970), (1220, 26073), (1830, 17382), (2196, 14485), (2745, 11588), (2897, 10980), (3660, 8691), (5490, 5794)]