78481760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:988

約数の個数: 96

約数和(自身を含む): 214824960

約数和(自身を除く): 136343200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 395, 553, 560, 632, 790, 887, 1106, 1120, 1264, 1580, 1774, 2212, 2528, 2765, 3160, 3548, 4424, 4435, 5530, 6209, 6320, 7096, 8848, 8870, 11060, 12418, 12640, 14192, 17696, 17740, 22120, 24836, 28384, 31045, 35480, 44240, 49672, 62090, 70073, 70960, 88480, 99344, 124180, 140146, 141920, 198688, 248360, 280292, 350365, 490511, 496720, 560584, 700730, 981022, 993440, 1121168, 1401460, 1962044, 2242336, 2452555, 2802920, 3924088, 4905110, 5605840, 7848176, 9810220, 11211680, 15696352, 19620440, 39240880, 78481760]

約数ペア:

[(1, 78481760), (2, 39240880), (4, 19620440), (5, 15696352), (7, 11211680), (8, 9810220), (10, 7848176), (14, 5605840), (16, 4905110), (20, 3924088), (28, 2802920), (32, 2452555), (35, 2242336), (40, 1962044), (56, 1401460), (70, 1121168), (79, 993440), (80, 981022), (112, 700730), (140, 560584), (158, 496720), (160, 490511), (224, 350365), (280, 280292), (316, 248360), (395, 198688), (553, 141920), (560, 140146), (632, 124180), (790, 99344), (887, 88480), (1106, 70960), (1120, 70073), (1264, 62090), (1580, 49672), (1774, 44240), (2212, 35480), (2528, 31045), (2765, 28384), (3160, 24836), (3548, 22120), (4424, 17740), (4435, 17696), (5530, 14192), (6209, 12640), (6320, 12418), (7096, 11060), (8848, 8870)]