66970240

素因数分解:

$2^7\times 5^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:677

約数の個数: 64

約数和(自身を含む): 161109000

約数和(自身を除く): 94138760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 269, 320, 389, 538, 640, 778, 1076, 1345, 1556, 1945, 2152, 2690, 3112, 3890, 4304, 5380, 6224, 7780, 8608, 10760, 12448, 15560, 17216, 21520, 24896, 31120, 34432, 43040, 49792, 62240, 86080, 104641, 124480, 172160, 209282, 248960, 418564, 523205, 837128, 1046410, 1674256, 2092820, 3348512, 4185640, 6697024, 8371280, 13394048, 16742560, 33485120, 66970240]

約数ペア:

[(1, 66970240), (2, 33485120), (4, 16742560), (5, 13394048), (8, 8371280), (10, 6697024), (16, 4185640), (20, 3348512), (32, 2092820), (40, 1674256), (64, 1046410), (80, 837128), (128, 523205), (160, 418564), (269, 248960), (320, 209282), (389, 172160), (538, 124480), (640, 104641), (778, 86080), (1076, 62240), (1345, 49792), (1556, 43040), (1945, 34432), (2152, 31120), (2690, 24896), (3112, 21520), (3890, 17216), (4304, 15560), (5380, 12448), (6224, 10760), (7780, 8608)]