84131880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2199

約数の個数: 128

約数和(自身を含む): 294727680

約数和(自身を除く): 210595800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2131, 2632, 2820, 3290, 3948, 4262, 4935, 5640, 6393, 6580, 7896, 8524, 9870, 10655, 12786, 13160, 14917, 17048, 19740, 21310, 25572, 29834, 31965, 39480, 42620, 44751, 51144, 59668, 63930, 74585, 85240, 89502, 100157, 119336, 127860, 149170, 179004, 200314, 223755, 255720, 298340, 300471, 358008, 400628, 447510, 500785, 596680, 600942, 701099, 801256, 895020, 1001570, 1201884, 1402198, 1502355, 1790040, 2003140, 2103297, 2403768, 2804396, 3004710, 3505495, 4006280, 4206594, 5608792, 6009420, 7010990, 8413188, 10516485, 12018840, 14021980, 16826376, 21032970, 28043960, 42065940, 84131880]

約数ペア:

[(1, 84131880), (2, 42065940), (3, 28043960), (4, 21032970), (5, 16826376), (6, 14021980), (7, 12018840), (8, 10516485), (10, 8413188), (12, 7010990), (14, 6009420), (15, 5608792), (20, 4206594), (21, 4006280), (24, 3505495), (28, 3004710), (30, 2804396), (35, 2403768), (40, 2103297), (42, 2003140), (47, 1790040), (56, 1502355), (60, 1402198), (70, 1201884), (84, 1001570), (94, 895020), (105, 801256), (120, 701099), (140, 600942), (141, 596680), (168, 500785), (188, 447510), (210, 400628), (235, 358008), (280, 300471), (282, 298340), (329, 255720), (376, 223755), (420, 200314), (470, 179004), (564, 149170), (658, 127860), (705, 119336), (840, 100157), (940, 89502), (987, 85240), (1128, 74585), (1316, 63930), (1410, 59668), (1645, 51144), (1880, 44751), (1974, 42620), (2131, 39480), (2632, 31965), (2820, 29834), (3290, 25572), (3948, 21310), (4262, 19740), (4935, 17048), (5640, 14917), (6393, 13160), (6580, 12786), (7896, 10655), (8524, 9870)]