8447120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 80

約数和(自身を含む): 22230720

約数和(自身を除く): 13783600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 331, 440, 464, 580, 638, 662, 880, 1160, 1276, 1324, 1595, 1655, 2320, 2552, 2648, 3190, 3310, 3641, 5104, 5296, 6380, 6620, 7282, 9599, 12760, 13240, 14564, 18205, 19198, 25520, 26480, 29128, 36410, 38396, 47995, 58256, 72820, 76792, 95990, 105589, 145640, 153584, 191980, 211178, 291280, 383960, 422356, 527945, 767920, 844712, 1055890, 1689424, 2111780, 4223560, 8447120]

約数ペア:

[(1, 8447120), (2, 4223560), (4, 2111780), (5, 1689424), (8, 1055890), (10, 844712), (11, 767920), (16, 527945), (20, 422356), (22, 383960), (29, 291280), (40, 211178), (44, 191980), (55, 153584), (58, 145640), (80, 105589), (88, 95990), (110, 76792), (116, 72820), (145, 58256), (176, 47995), (220, 38396), (232, 36410), (290, 29128), (319, 26480), (331, 25520), (440, 19198), (464, 18205), (580, 14564), (638, 13240), (662, 12760), (880, 9599), (1160, 7282), (1276, 6620), (1324, 6380), (1595, 5296), (1655, 5104), (2320, 3641), (2552, 3310), (2648, 3190)]