1640821290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{816329}}^1$

素因数の和:816406

約数の個数: 32

約数和(自身を含む): 3996751680

約数和(自身を除く): 2355930390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 816329, 1632658, 2448987, 4081645, 4897974, 8163290, 12244935, 24489870, 54694043, 109388086, 164082129, 273470215, 328164258, 546940430, 820410645, 1640821290]

約数ペア:

[(1, 1640821290), (2, 820410645), (3, 546940430), (5, 328164258), (6, 273470215), (10, 164082129), (15, 109388086), (30, 54694043), (67, 24489870), (134, 12244935), (201, 8163290), (335, 4897974), (402, 4081645), (670, 2448987), (1005, 1632658), (2010, 816329)]