15980406

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 37255680

約数和(自身を除く): 21275274

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 41, 57, 78, 82, 114, 123, 246, 247, 263, 494, 526, 533, 741, 779, 789, 1066, 1482, 1558, 1578, 1599, 2337, 3198, 3419, 4674, 4997, 6838, 9994, 10127, 10257, 10783, 14991, 20254, 20514, 21566, 29982, 30381, 32349, 60762, 64698, 64961, 129922, 140179, 194883, 204877, 280358, 389766, 409754, 420537, 614631, 841074, 1229262, 2663401, 5326802, 7990203, 15980406]

約数ペア:

[(1, 15980406), (2, 7990203), (3, 5326802), (6, 2663401), (13, 1229262), (19, 841074), (26, 614631), (38, 420537), (39, 409754), (41, 389766), (57, 280358), (78, 204877), (82, 194883), (114, 140179), (123, 129922), (246, 64961), (247, 64698), (263, 60762), (494, 32349), (526, 30381), (533, 29982), (741, 21566), (779, 20514), (789, 20254), (1066, 14991), (1482, 10783), (1558, 10257), (1578, 10127), (1599, 9994), (2337, 6838), (3198, 4997), (3419, 4674)]