4556720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:202

約数の個数: 80

約数和(自身を含む): 12380160

約数和(自身を除く): 7823440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 103, 112, 140, 158, 206, 280, 316, 395, 412, 515, 553, 560, 632, 721, 790, 824, 1030, 1106, 1264, 1442, 1580, 1648, 2060, 2212, 2765, 2884, 3160, 3605, 4120, 4424, 5530, 5768, 6320, 7210, 8137, 8240, 8848, 11060, 11536, 14420, 16274, 22120, 28840, 32548, 40685, 44240, 56959, 57680, 65096, 81370, 113918, 130192, 162740, 227836, 284795, 325480, 455672, 569590, 650960, 911344, 1139180, 2278360, 4556720]

約数ペア:

[(1, 4556720), (2, 2278360), (4, 1139180), (5, 911344), (7, 650960), (8, 569590), (10, 455672), (14, 325480), (16, 284795), (20, 227836), (28, 162740), (35, 130192), (40, 113918), (56, 81370), (70, 65096), (79, 57680), (80, 56959), (103, 44240), (112, 40685), (140, 32548), (158, 28840), (206, 22120), (280, 16274), (316, 14420), (395, 11536), (412, 11060), (515, 8848), (553, 8240), (560, 8137), (632, 7210), (721, 6320), (790, 5768), (824, 5530), (1030, 4424), (1106, 4120), (1264, 3605), (1442, 3160), (1580, 2884), (1648, 2765), (2060, 2212)]