61267960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1997}}^1$

素因数の和:2080

約数の個数: 64

約数和(自身を含む): 151048800

約数和(自身を除く): 89780840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 767, 1180, 1534, 1997, 2360, 3068, 3835, 3994, 6136, 7670, 7988, 9985, 15340, 15976, 19970, 25961, 30680, 39940, 51922, 79880, 103844, 117823, 129805, 207688, 235646, 259610, 471292, 519220, 589115, 942584, 1038440, 1178230, 1531699, 2356460, 3063398, 4712920, 6126796, 7658495, 12253592, 15316990, 30633980, 61267960]

約数ペア:

[(1, 61267960), (2, 30633980), (4, 15316990), (5, 12253592), (8, 7658495), (10, 6126796), (13, 4712920), (20, 3063398), (26, 2356460), (40, 1531699), (52, 1178230), (59, 1038440), (65, 942584), (104, 589115), (118, 519220), (130, 471292), (236, 259610), (260, 235646), (295, 207688), (472, 129805), (520, 117823), (590, 103844), (767, 79880), (1180, 51922), (1534, 39940), (1997, 30680), (2360, 25961), (3068, 19970), (3835, 15976), (3994, 15340), (6136, 9985), (7670, 7988)]