71541520

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 173560320

約数和(自身を除く): 102018800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 53, 80, 94, 106, 188, 212, 235, 265, 359, 376, 424, 470, 530, 718, 752, 848, 940, 1060, 1436, 1795, 1880, 2120, 2491, 2872, 3590, 3760, 4240, 4982, 5744, 7180, 9964, 12455, 14360, 16873, 19027, 19928, 24910, 28720, 33746, 38054, 39856, 49820, 67492, 76108, 84365, 95135, 99640, 134984, 152216, 168730, 190270, 199280, 269968, 304432, 337460, 380540, 674920, 761080, 894269, 1349840, 1522160, 1788538, 3577076, 4471345, 7154152, 8942690, 14308304, 17885380, 35770760, 71541520]

約数ペア:

[(1, 71541520), (2, 35770760), (4, 17885380), (5, 14308304), (8, 8942690), (10, 7154152), (16, 4471345), (20, 3577076), (40, 1788538), (47, 1522160), (53, 1349840), (80, 894269), (94, 761080), (106, 674920), (188, 380540), (212, 337460), (235, 304432), (265, 269968), (359, 199280), (376, 190270), (424, 168730), (470, 152216), (530, 134984), (718, 99640), (752, 95135), (848, 84365), (940, 76108), (1060, 67492), (1436, 49820), (1795, 39856), (1880, 38054), (2120, 33746), (2491, 28720), (2872, 24910), (3590, 19928), (3760, 19027), (4240, 16873), (4982, 14360), (5744, 12455), (7180, 9964)]