2040465720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{215239}}^1$

素因数の和:215332

約数の個数: 64

約数和(自身を含む): 6198912000

約数和(自身を除く): 4158446280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2370, 3160, 4740, 9480, 215239, 430478, 645717, 860956, 1076195, 1291434, 1721912, 2152390, 2582868, 3228585, 4304780, 5165736, 6457170, 8609560, 12914340, 17003881, 25828680, 34007762, 51011643, 68015524, 85019405, 102023286, 136031048, 170038810, 204046572, 255058215, 340077620, 408093144, 510116430, 680155240, 1020232860, 2040465720]

約数ペア:

[(1, 2040465720), (2, 1020232860), (3, 680155240), (4, 510116430), (5, 408093144), (6, 340077620), (8, 255058215), (10, 204046572), (12, 170038810), (15, 136031048), (20, 102023286), (24, 85019405), (30, 68015524), (40, 51011643), (60, 34007762), (79, 25828680), (120, 17003881), (158, 12914340), (237, 8609560), (316, 6457170), (395, 5165736), (474, 4304780), (632, 3228585), (790, 2582868), (948, 2152390), (1185, 1721912), (1580, 1291434), (1896, 1076195), (2370, 860956), (3160, 645717), (4740, 430478), (9480, 215239)]