85215720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 264384000

約数和(自身を除く): 179168280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 89, 101, 120, 158, 178, 202, 237, 267, 303, 316, 356, 395, 404, 445, 474, 505, 534, 606, 632, 712, 790, 808, 890, 948, 1010, 1068, 1185, 1212, 1335, 1515, 1580, 1780, 1896, 2020, 2136, 2370, 2424, 2670, 3030, 3160, 3560, 4040, 4740, 5340, 6060, 7031, 7979, 8989, 9480, 10680, 12120, 14062, 15958, 17978, 21093, 23937, 26967, 28124, 31916, 35155, 35956, 39895, 42186, 44945, 47874, 53934, 56248, 63832, 70310, 71912, 79790, 84372, 89890, 95748, 105465, 107868, 119685, 134835, 140620, 159580, 168744, 179780, 191496, 210930, 215736, 239370, 269670, 281240, 319160, 359560, 421860, 478740, 539340, 710131, 843720, 957480, 1078680, 1420262, 2130393, 2840524, 3550655, 4260786, 5681048, 7101310, 8521572, 10651965, 14202620, 17043144, 21303930, 28405240, 42607860, 85215720]

約数ペア:

[(1, 85215720), (2, 42607860), (3, 28405240), (4, 21303930), (5, 17043144), (6, 14202620), (8, 10651965), (10, 8521572), (12, 7101310), (15, 5681048), (20, 4260786), (24, 3550655), (30, 2840524), (40, 2130393), (60, 1420262), (79, 1078680), (89, 957480), (101, 843720), (120, 710131), (158, 539340), (178, 478740), (202, 421860), (237, 359560), (267, 319160), (303, 281240), (316, 269670), (356, 239370), (395, 215736), (404, 210930), (445, 191496), (474, 179780), (505, 168744), (534, 159580), (606, 140620), (632, 134835), (712, 119685), (790, 107868), (808, 105465), (890, 95748), (948, 89890), (1010, 84372), (1068, 79790), (1185, 71912), (1212, 70310), (1335, 63832), (1515, 56248), (1580, 53934), (1780, 47874), (1896, 44945), (2020, 42186), (2136, 39895), (2370, 35956), (2424, 35155), (2670, 31916), (3030, 28124), (3160, 26967), (3560, 23937), (4040, 21093), (4740, 17978), (5340, 15958), (6060, 14062), (7031, 12120), (7979, 10680), (8989, 9480)]