1620206616

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{260651}}^1$

素因数の和:260704

約数の個数: 64

約数和(自身を含む): 4754292480

約数和(自身を除く): 3134085864

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 6216, 260651, 521302, 781953, 1042604, 1563906, 1824557, 2085208, 3127812, 3649114, 5473671, 6255624, 7298228, 9644087, 10947342, 14596456, 19288174, 21894684, 28932261, 38576348, 43789368, 57864522, 67508609, 77152696, 115729044, 135017218, 202525827, 231458088, 270034436, 405051654, 540068872, 810103308, 1620206616]

約数ペア:

[(1, 1620206616), (2, 810103308), (3, 540068872), (4, 405051654), (6, 270034436), (7, 231458088), (8, 202525827), (12, 135017218), (14, 115729044), (21, 77152696), (24, 67508609), (28, 57864522), (37, 43789368), (42, 38576348), (56, 28932261), (74, 21894684), (84, 19288174), (111, 14596456), (148, 10947342), (168, 9644087), (222, 7298228), (259, 6255624), (296, 5473671), (444, 3649114), (518, 3127812), (777, 2085208), (888, 1824557), (1036, 1563906), (1554, 1042604), (2072, 781953), (3108, 521302), (6216, 260651)]