79744280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1523}}^1$

素因数の和:1569

約数の個数: 128

約数和(自身を含む): 237012480

約数和(自身を除く): 157268200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1309, 1496, 1523, 1540, 1870, 2380, 2618, 3046, 3080, 3740, 4760, 5236, 6092, 6545, 7480, 7615, 10472, 10661, 12184, 13090, 15230, 16753, 21322, 25891, 26180, 30460, 33506, 42644, 51782, 52360, 53305, 60920, 67012, 83765, 85288, 103564, 106610, 117271, 129455, 134024, 167530, 181237, 207128, 213220, 234542, 258910, 284801, 335060, 362474, 426440, 469084, 517820, 569602, 586355, 670120, 724948, 906185, 938168, 1035640, 1139204, 1172710, 1424005, 1449896, 1812370, 1993607, 2278408, 2345420, 2848010, 3624740, 3987214, 4690840, 5696020, 7249480, 7974428, 9968035, 11392040, 15948856, 19936070, 39872140, 79744280]

約数ペア:

[(1, 79744280), (2, 39872140), (4, 19936070), (5, 15948856), (7, 11392040), (8, 9968035), (10, 7974428), (11, 7249480), (14, 5696020), (17, 4690840), (20, 3987214), (22, 3624740), (28, 2848010), (34, 2345420), (35, 2278408), (40, 1993607), (44, 1812370), (55, 1449896), (56, 1424005), (68, 1172710), (70, 1139204), (77, 1035640), (85, 938168), (88, 906185), (110, 724948), (119, 670120), (136, 586355), (140, 569602), (154, 517820), (170, 469084), (187, 426440), (220, 362474), (238, 335060), (280, 284801), (308, 258910), (340, 234542), (374, 213220), (385, 207128), (440, 181237), (476, 167530), (595, 134024), (616, 129455), (680, 117271), (748, 106610), (770, 103564), (935, 85288), (952, 83765), (1190, 67012), (1309, 60920), (1496, 53305), (1523, 52360), (1540, 51782), (1870, 42644), (2380, 33506), (2618, 30460), (3046, 26180), (3080, 25891), (3740, 21322), (4760, 16753), (5236, 15230), (6092, 13090), (6545, 12184), (7480, 10661), (7615, 10472)]