64445360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{733}}^1$

素因数の和:910

約数の個数: 80

約数和(自身を含む): 172566336

約数和(自身を除く): 108120976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 733, 785, 1099, 1256, 1466, 1570, 2198, 2512, 2932, 3140, 3665, 4396, 5131, 5495, 5864, 6280, 7330, 8792, 10262, 10990, 11728, 12560, 14660, 17584, 20524, 21980, 25655, 29320, 41048, 43960, 51310, 58640, 82096, 87920, 102620, 115081, 205240, 230162, 410480, 460324, 575405, 805567, 920648, 1150810, 1611134, 1841296, 2301620, 3222268, 4027835, 4603240, 6444536, 8055670, 9206480, 12889072, 16111340, 32222680, 64445360]

約数ペア:

[(1, 64445360), (2, 32222680), (4, 16111340), (5, 12889072), (7, 9206480), (8, 8055670), (10, 6444536), (14, 4603240), (16, 4027835), (20, 3222268), (28, 2301620), (35, 1841296), (40, 1611134), (56, 1150810), (70, 920648), (80, 805567), (112, 575405), (140, 460324), (157, 410480), (280, 230162), (314, 205240), (560, 115081), (628, 102620), (733, 87920), (785, 82096), (1099, 58640), (1256, 51310), (1466, 43960), (1570, 41048), (2198, 29320), (2512, 25655), (2932, 21980), (3140, 20524), (3665, 17584), (4396, 14660), (5131, 12560), (5495, 11728), (5864, 10990), (6280, 10262), (7330, 8792)]