77999940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22807}}^1$

素因数の和:22841

約数の個数: 72

約数和(自身を含む): 249063360

約数和(自身を除く): 171063420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 22807, 45614, 68421, 91228, 114035, 136842, 205263, 228070, 273684, 342105, 410526, 433333, 456140, 684210, 821052, 866666, 1026315, 1299999, 1368420, 1733332, 2052630, 2166665, 2599998, 3899997, 4105260, 4333330, 5199996, 6499995, 7799994, 8666660, 12999990, 15599988, 19499985, 25999980, 38999970, 77999940]

約数ペア:

[(1, 77999940), (2, 38999970), (3, 25999980), (4, 19499985), (5, 15599988), (6, 12999990), (9, 8666660), (10, 7799994), (12, 6499995), (15, 5199996), (18, 4333330), (19, 4105260), (20, 3899997), (30, 2599998), (36, 2166665), (38, 2052630), (45, 1733332), (57, 1368420), (60, 1299999), (76, 1026315), (90, 866666), (95, 821052), (114, 684210), (171, 456140), (180, 433333), (190, 410526), (228, 342105), (285, 273684), (342, 228070), (380, 205263), (570, 136842), (684, 114035), (855, 91228), (1140, 68421), (1710, 45614), (3420, 22807)]