660199808

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{439}}^1$

素因数の和:863

約数の個数: 64

約数和(自身を含む): 1364352000

約数和(自身を除く): 704152192

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 379, 439, 496, 758, 878, 992, 1516, 1756, 1984, 3032, 3512, 3968, 6064, 7024, 11749, 12128, 13609, 14048, 23498, 24256, 27218, 28096, 46996, 48512, 54436, 56192, 93992, 108872, 166381, 187984, 217744, 332762, 375968, 435488, 665524, 751936, 870976, 1331048, 1503872, 1741952, 2662096, 5157811, 5324192, 10315622, 10648384, 20631244, 21296768, 41262488, 82524976, 165049952, 330099904, 660199808]

約数ペア:

[(1, 660199808), (2, 330099904), (4, 165049952), (8, 82524976), (16, 41262488), (31, 21296768), (32, 20631244), (62, 10648384), (64, 10315622), (124, 5324192), (128, 5157811), (248, 2662096), (379, 1741952), (439, 1503872), (496, 1331048), (758, 870976), (878, 751936), (992, 665524), (1516, 435488), (1756, 375968), (1984, 332762), (3032, 217744), (3512, 187984), (3968, 166381), (6064, 108872), (7024, 93992), (11749, 56192), (12128, 54436), (13609, 48512), (14048, 46996), (23498, 28096), (24256, 27218)]