15697312520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{54331}}^1$

素因数の和:54606

約数の個数: 64

約数和(自身を含む): 36615421440

約数和(自身を除く): 20918108920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 233, 248, 310, 466, 620, 932, 1165, 1240, 1864, 2330, 4660, 7223, 9320, 14446, 28892, 36115, 54331, 57784, 72230, 108662, 144460, 217324, 271655, 288920, 434648, 543310, 1086620, 1684261, 2173240, 3368522, 6737044, 8421305, 12659123, 13474088, 16842610, 25318246, 33685220, 50636492, 63295615, 67370440, 101272984, 126591230, 253182460, 392432813, 506364920, 784865626, 1569731252, 1962164065, 3139462504, 3924328130, 7848656260, 15697312520]

約数ペア:

[(1, 15697312520), (2, 7848656260), (4, 3924328130), (5, 3139462504), (8, 1962164065), (10, 1569731252), (20, 784865626), (31, 506364920), (40, 392432813), (62, 253182460), (124, 126591230), (155, 101272984), (233, 67370440), (248, 63295615), (310, 50636492), (466, 33685220), (620, 25318246), (932, 16842610), (1165, 13474088), (1240, 12659123), (1864, 8421305), (2330, 6737044), (4660, 3368522), (7223, 2173240), (9320, 1684261), (14446, 1086620), (28892, 543310), (36115, 434648), (54331, 288920), (57784, 271655), (72230, 217324), (108662, 144460)]