80260440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51449}}^1$

素因数の和:51476

約数の個数: 64

約数和(自身を含む): 259308000

約数和(自身を除く): 179047560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 51449, 102898, 154347, 205796, 257245, 308694, 411592, 514490, 617388, 668837, 771735, 1028980, 1234776, 1337674, 1543470, 2006511, 2057960, 2675348, 3086940, 3344185, 4013022, 5350696, 6173880, 6688370, 8026044, 10032555, 13376740, 16052088, 20065110, 26753480, 40130220, 80260440]

約数ペア:

[(1, 80260440), (2, 40130220), (3, 26753480), (4, 20065110), (5, 16052088), (6, 13376740), (8, 10032555), (10, 8026044), (12, 6688370), (13, 6173880), (15, 5350696), (20, 4013022), (24, 3344185), (26, 3086940), (30, 2675348), (39, 2057960), (40, 2006511), (52, 1543470), (60, 1337674), (65, 1234776), (78, 1028980), (104, 771735), (120, 668837), (130, 617388), (156, 514490), (195, 411592), (260, 308694), (312, 257245), (390, 205796), (520, 154347), (780, 102898), (1560, 51449)]