15699681920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1886981}}^1$

素因数の和:1887013

約数の個数: 64

約数和(自身を含む): 40419154440

約数和(自身を除く): 24719472520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 1886981, 3773962, 7547924, 9434905, 15095848, 18869810, 24530753, 30191696, 37739620, 49061506, 60383392, 75479240, 98123012, 120766784, 122653765, 150958480, 196246024, 241533568, 245307530, 301916960, 392492048, 490615060, 603833920, 784984096, 981230120, 1207667840, 1569968192, 1962460240, 3139936384, 3924920480, 7849840960, 15699681920]

約数ペア:

[(1, 15699681920), (2, 7849840960), (4, 3924920480), (5, 3139936384), (8, 1962460240), (10, 1569968192), (13, 1207667840), (16, 981230120), (20, 784984096), (26, 603833920), (32, 490615060), (40, 392492048), (52, 301916960), (64, 245307530), (65, 241533568), (80, 196246024), (104, 150958480), (128, 122653765), (130, 120766784), (160, 98123012), (208, 75479240), (260, 60383392), (320, 49061506), (416, 37739620), (520, 30191696), (640, 24530753), (832, 18869810), (1040, 15095848), (1664, 9434905), (2080, 7547924), (4160, 3773962), (8320, 1886981)]