79215760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1291}}^1$

素因数の和:1376

約数の個数: 80

約数和(自身を含む): 201862080

約数和(自身を除く): 122646320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 767, 944, 1040, 1180, 1291, 1534, 2360, 2582, 3068, 3835, 4720, 5164, 6136, 6455, 7670, 10328, 12272, 12910, 15340, 16783, 20656, 25820, 30680, 33566, 51640, 61360, 67132, 76169, 83915, 103280, 134264, 152338, 167830, 268528, 304676, 335660, 380845, 609352, 671320, 761690, 990197, 1218704, 1342640, 1523380, 1980394, 3046760, 3960788, 4950985, 6093520, 7921576, 9901970, 15843152, 19803940, 39607880, 79215760]

約数ペア:

[(1, 79215760), (2, 39607880), (4, 19803940), (5, 15843152), (8, 9901970), (10, 7921576), (13, 6093520), (16, 4950985), (20, 3960788), (26, 3046760), (40, 1980394), (52, 1523380), (59, 1342640), (65, 1218704), (80, 990197), (104, 761690), (118, 671320), (130, 609352), (208, 380845), (236, 335660), (260, 304676), (295, 268528), (472, 167830), (520, 152338), (590, 134264), (767, 103280), (944, 83915), (1040, 76169), (1180, 67132), (1291, 61360), (1534, 51640), (2360, 33566), (2582, 30680), (3068, 25820), (3835, 20656), (4720, 16783), (5164, 15340), (6136, 12910), (6455, 12272), (7670, 10328)]