80227680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 288

約数和(自身を含む): 292190976

約数和(自身を除く): 211963296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 43, 46, 48, 52, 60, 65, 69, 78, 80, 86, 92, 96, 104, 115, 120, 129, 130, 138, 156, 160, 169, 172, 184, 195, 208, 215, 230, 240, 258, 260, 276, 299, 312, 338, 344, 345, 368, 390, 416, 430, 460, 480, 507, 516, 520, 552, 559, 598, 624, 645, 676, 688, 690, 736, 780, 845, 860, 897, 920, 989, 1014, 1032, 1040, 1104, 1118, 1196, 1248, 1290, 1352, 1376, 1380, 1495, 1560, 1677, 1690, 1720, 1794, 1840, 1978, 2028, 2064, 2080, 2208, 2236, 2392, 2535, 2580, 2704, 2760, 2795, 2967, 2990, 3120, 3354, 3380, 3440, 3588, 3680, 3887, 3956, 4056, 4128, 4472, 4485, 4784, 4945, 5070, 5160, 5408, 5520, 5590, 5934, 5980, 6240, 6708, 6760, 6880, 7176, 7267, 7774, 7912, 8112, 8385, 8944, 8970, 9568, 9890, 10140, 10320, 11040, 11180, 11661, 11868, 11960, 12857, 13416, 13520, 14352, 14534, 14835, 15548, 15824, 16224, 16770, 17888, 17940, 19435, 19780, 20280, 20640, 21801, 22360, 23322, 23736, 23920, 25714, 26832, 27040, 28704, 29068, 29670, 31096, 31648, 33540, 35880, 36335, 38571, 38870, 39560, 40560, 43602, 44720, 46644, 47472, 47840, 51428, 53664, 58136, 58305, 59340, 62192, 64285, 67080, 71760, 72670, 77142, 77740, 79120, 81120, 87204, 89440, 93288, 94944, 102856, 109005, 116272, 116610, 118680, 124384, 128570, 134160, 143520, 145340, 154284, 155480, 158240, 167141, 174408, 186576, 192855, 205712, 218010, 232544, 233220, 237360, 257140, 268320, 290680, 308568, 310960, 334282, 348816, 373152, 385710, 411424, 436020, 466440, 474720, 501423, 514280, 581360, 617136, 621920, 668564, 697632, 771420, 835705, 872040, 932880, 1002846, 1028560, 1162720, 1234272, 1337128, 1542840, 1671410, 1744080, 1865760, 2005692, 2057120, 2507115, 2674256, 3085680, 3342820, 3488160, 4011384, 5014230, 5348512, 6171360, 6685640, 8022768, 10028460, 13371280, 16045536, 20056920, 26742560, 40113840, 80227680]

約数ペア:

[(1, 80227680), (2, 40113840), (3, 26742560), (4, 20056920), (5, 16045536), (6, 13371280), (8, 10028460), (10, 8022768), (12, 6685640), (13, 6171360), (15, 5348512), (16, 5014230), (20, 4011384), (23, 3488160), (24, 3342820), (26, 3085680), (30, 2674256), (32, 2507115), (39, 2057120), (40, 2005692), (43, 1865760), (46, 1744080), (48, 1671410), (52, 1542840), (60, 1337128), (65, 1234272), (69, 1162720), (78, 1028560), (80, 1002846), (86, 932880), (92, 872040), (96, 835705), (104, 771420), (115, 697632), (120, 668564), (129, 621920), (130, 617136), (138, 581360), (156, 514280), (160, 501423), (169, 474720), (172, 466440), (184, 436020), (195, 411424), (208, 385710), (215, 373152), (230, 348816), (240, 334282), (258, 310960), (260, 308568), (276, 290680), (299, 268320), (312, 257140), (338, 237360), (344, 233220), (345, 232544), (368, 218010), (390, 205712), (416, 192855), (430, 186576), (460, 174408), (480, 167141), (507, 158240), (516, 155480), (520, 154284), (552, 145340), (559, 143520), (598, 134160), (624, 128570), (645, 124384), (676, 118680), (688, 116610), (690, 116272), (736, 109005), (780, 102856), (845, 94944), (860, 93288), (897, 89440), (920, 87204), (989, 81120), (1014, 79120), (1032, 77740), (1040, 77142), (1104, 72670), (1118, 71760), (1196, 67080), (1248, 64285), (1290, 62192), (1352, 59340), (1376, 58305), (1380, 58136), (1495, 53664), (1560, 51428), (1677, 47840), (1690, 47472), (1720, 46644), (1794, 44720), (1840, 43602), (1978, 40560), (2028, 39560), (2064, 38870), (2080, 38571), (2208, 36335), (2236, 35880), (2392, 33540), (2535, 31648), (2580, 31096), (2704, 29670), (2760, 29068), (2795, 28704), (2967, 27040), (2990, 26832), (3120, 25714), (3354, 23920), (3380, 23736), (3440, 23322), (3588, 22360), (3680, 21801), (3887, 20640), (3956, 20280), (4056, 19780), (4128, 19435), (4472, 17940), (4485, 17888), (4784, 16770), (4945, 16224), (5070, 15824), (5160, 15548), (5408, 14835), (5520, 14534), (5590, 14352), (5934, 13520), (5980, 13416), (6240, 12857), (6708, 11960), (6760, 11868), (6880, 11661), (7176, 11180), (7267, 11040), (7774, 10320), (7912, 10140), (8112, 9890), (8385, 9568), (8944, 8970)]