645414288

素因数分解:

$2^4\times 3^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1\times {\mathrm{439}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 1692451200

約数和(自身を除く): 1047036912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 109, 218, 281, 327, 436, 439, 562, 654, 843, 872, 878, 1124, 1308, 1317, 1686, 1744, 1756, 2248, 2616, 2634, 3372, 3512, 4496, 5232, 5268, 6744, 7024, 10536, 13488, 21072, 30629, 47851, 61258, 91887, 95702, 122516, 123359, 143553, 183774, 191404, 245032, 246718, 287106, 367548, 370077, 382808, 490064, 493436, 574212, 735096, 740154, 765616, 986872, 1148424, 1470192, 1480308, 1973744, 2296848, 2960616, 5921232, 13446131, 26892262, 40338393, 53784524, 80676786, 107569048, 161353572, 215138096, 322707144, 645414288]

約数ペア:

[(1, 645414288), (2, 322707144), (3, 215138096), (4, 161353572), (6, 107569048), (8, 80676786), (12, 53784524), (16, 40338393), (24, 26892262), (48, 13446131), (109, 5921232), (218, 2960616), (281, 2296848), (327, 1973744), (436, 1480308), (439, 1470192), (562, 1148424), (654, 986872), (843, 765616), (872, 740154), (878, 735096), (1124, 574212), (1308, 493436), (1317, 490064), (1686, 382808), (1744, 370077), (1756, 367548), (2248, 287106), (2616, 246718), (2634, 245032), (3372, 191404), (3512, 183774), (4496, 143553), (5232, 123359), (5268, 122516), (6744, 95702), (7024, 91887), (10536, 61258), (13488, 47851), (21072, 30629)]