642086480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1021}}^1\times {\mathrm{1123}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 1709307264

約数和(自身を除く): 1067220784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1021, 1123, 2042, 2246, 4084, 4492, 5105, 5615, 7147, 7861, 8168, 8984, 10210, 11230, 14294, 15722, 16336, 17968, 20420, 22460, 28588, 31444, 35735, 39305, 40840, 44920, 57176, 62888, 71470, 78610, 81680, 89840, 114352, 125776, 142940, 157220, 285880, 314440, 571760, 628880, 1146583, 2293166, 4586332, 5732915, 8026081, 9172664, 11465830, 16052162, 18345328, 22931660, 32104324, 40130405, 45863320, 64208648, 80260810, 91726640, 128417296, 160521620, 321043240, 642086480]

約数ペア:

[(1, 642086480), (2, 321043240), (4, 160521620), (5, 128417296), (7, 91726640), (8, 80260810), (10, 64208648), (14, 45863320), (16, 40130405), (20, 32104324), (28, 22931660), (35, 18345328), (40, 16052162), (56, 11465830), (70, 9172664), (80, 8026081), (112, 5732915), (140, 4586332), (280, 2293166), (560, 1146583), (1021, 628880), (1123, 571760), (2042, 314440), (2246, 285880), (4084, 157220), (4492, 142940), (5105, 125776), (5615, 114352), (7147, 89840), (7861, 81680), (8168, 78610), (8984, 71470), (10210, 62888), (11230, 57176), (14294, 44920), (15722, 40840), (16336, 39305), (17968, 35735), (20420, 31444), (22460, 28588)]