84815720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:108

約数の個数: 192

約数和(自身を含む): 238723200

約数和(自身を除く): 153907480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 23, 29, 34, 40, 44, 46, 55, 58, 68, 85, 88, 92, 110, 115, 116, 136, 145, 170, 184, 187, 220, 230, 232, 253, 289, 290, 319, 340, 374, 391, 440, 460, 493, 506, 578, 580, 638, 667, 680, 748, 782, 920, 935, 986, 1012, 1156, 1160, 1265, 1276, 1334, 1445, 1496, 1564, 1595, 1870, 1955, 1972, 2024, 2312, 2465, 2530, 2552, 2668, 2890, 3128, 3179, 3190, 3335, 3740, 3910, 3944, 4301, 4930, 5060, 5336, 5423, 5780, 6358, 6380, 6647, 6670, 7337, 7480, 7820, 8381, 8602, 9860, 10120, 10846, 11339, 11560, 12716, 12760, 13294, 13340, 14674, 15640, 15895, 16762, 17204, 19720, 21505, 21692, 22678, 25432, 26588, 26680, 27115, 29348, 31790, 33235, 33524, 34408, 36685, 41905, 43010, 43384, 45356, 53176, 54230, 56695, 58696, 63580, 66470, 67048, 73117, 73370, 83810, 86020, 90712, 92191, 108460, 113390, 124729, 127160, 132940, 146234, 146740, 167620, 172040, 184382, 192763, 216920, 226780, 249458, 265880, 292468, 293480, 335240, 365585, 368764, 385526, 453560, 460955, 498916, 584936, 623645, 731170, 737528, 771052, 921910, 963815, 997832, 1247290, 1462340, 1542104, 1843820, 1927630, 2120393, 2494580, 2924680, 3687640, 3855260, 4240786, 4989160, 7710520, 8481572, 10601965, 16963144, 21203930, 42407860, 84815720]

約数ペア:

[(1, 84815720), (2, 42407860), (4, 21203930), (5, 16963144), (8, 10601965), (10, 8481572), (11, 7710520), (17, 4989160), (20, 4240786), (22, 3855260), (23, 3687640), (29, 2924680), (34, 2494580), (40, 2120393), (44, 1927630), (46, 1843820), (55, 1542104), (58, 1462340), (68, 1247290), (85, 997832), (88, 963815), (92, 921910), (110, 771052), (115, 737528), (116, 731170), (136, 623645), (145, 584936), (170, 498916), (184, 460955), (187, 453560), (220, 385526), (230, 368764), (232, 365585), (253, 335240), (289, 293480), (290, 292468), (319, 265880), (340, 249458), (374, 226780), (391, 216920), (440, 192763), (460, 184382), (493, 172040), (506, 167620), (578, 146740), (580, 146234), (638, 132940), (667, 127160), (680, 124729), (748, 113390), (782, 108460), (920, 92191), (935, 90712), (986, 86020), (1012, 83810), (1156, 73370), (1160, 73117), (1265, 67048), (1276, 66470), (1334, 63580), (1445, 58696), (1496, 56695), (1564, 54230), (1595, 53176), (1870, 45356), (1955, 43384), (1972, 43010), (2024, 41905), (2312, 36685), (2465, 34408), (2530, 33524), (2552, 33235), (2668, 31790), (2890, 29348), (3128, 27115), (3179, 26680), (3190, 26588), (3335, 25432), (3740, 22678), (3910, 21692), (3944, 21505), (4301, 19720), (4930, 17204), (5060, 16762), (5336, 15895), (5423, 15640), (5780, 14674), (6358, 13340), (6380, 13294), (6647, 12760), (6670, 12716), (7337, 11560), (7480, 11339), (7820, 10846), (8381, 10120), (8602, 9860)]