80813920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 229594176

約数和(自身を除く): 148780256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 37, 40, 44, 55, 68, 73, 74, 80, 85, 88, 110, 136, 146, 148, 160, 170, 176, 185, 187, 220, 272, 292, 296, 340, 352, 365, 370, 374, 407, 440, 544, 584, 592, 629, 680, 730, 740, 748, 803, 814, 880, 935, 1168, 1184, 1241, 1258, 1360, 1460, 1480, 1496, 1606, 1628, 1760, 1870, 2035, 2336, 2482, 2516, 2701, 2720, 2920, 2960, 2992, 3145, 3212, 3256, 3740, 4015, 4070, 4964, 5032, 5402, 5840, 5920, 5984, 6205, 6290, 6424, 6512, 6919, 7480, 8030, 8140, 9928, 10064, 10804, 11680, 12410, 12580, 12848, 13024, 13505, 13651, 13838, 14960, 16060, 16280, 19856, 20128, 21608, 24820, 25160, 25696, 27010, 27302, 27676, 29711, 29920, 32120, 32560, 34595, 39712, 43216, 45917, 49640, 50320, 54020, 54604, 55352, 59422, 64240, 65120, 68255, 69190, 86432, 91834, 99280, 100640, 108040, 109208, 110704, 118844, 128480, 136510, 138380, 148555, 183668, 198560, 216080, 218416, 221408, 229585, 237688, 273020, 276760, 297110, 367336, 432160, 436832, 459170, 475376, 505087, 546040, 553520, 594220, 734672, 918340, 950752, 1010174, 1092080, 1107040, 1188440, 1469344, 1836680, 2020348, 2184160, 2376880, 2525435, 3673360, 4040696, 4753760, 5050870, 7346720, 8081392, 10101740, 16162784, 20203480, 40406960, 80813920]

約数ペア:

[(1, 80813920), (2, 40406960), (4, 20203480), (5, 16162784), (8, 10101740), (10, 8081392), (11, 7346720), (16, 5050870), (17, 4753760), (20, 4040696), (22, 3673360), (32, 2525435), (34, 2376880), (37, 2184160), (40, 2020348), (44, 1836680), (55, 1469344), (68, 1188440), (73, 1107040), (74, 1092080), (80, 1010174), (85, 950752), (88, 918340), (110, 734672), (136, 594220), (146, 553520), (148, 546040), (160, 505087), (170, 475376), (176, 459170), (185, 436832), (187, 432160), (220, 367336), (272, 297110), (292, 276760), (296, 273020), (340, 237688), (352, 229585), (365, 221408), (370, 218416), (374, 216080), (407, 198560), (440, 183668), (544, 148555), (584, 138380), (592, 136510), (629, 128480), (680, 118844), (730, 110704), (740, 109208), (748, 108040), (803, 100640), (814, 99280), (880, 91834), (935, 86432), (1168, 69190), (1184, 68255), (1241, 65120), (1258, 64240), (1360, 59422), (1460, 55352), (1480, 54604), (1496, 54020), (1606, 50320), (1628, 49640), (1760, 45917), (1870, 43216), (2035, 39712), (2336, 34595), (2482, 32560), (2516, 32120), (2701, 29920), (2720, 29711), (2920, 27676), (2960, 27302), (2992, 27010), (3145, 25696), (3212, 25160), (3256, 24820), (3740, 21608), (4015, 20128), (4070, 19856), (4964, 16280), (5032, 16060), (5402, 14960), (5840, 13838), (5920, 13651), (5984, 13505), (6205, 13024), (6290, 12848), (6424, 12580), (6512, 12410), (6919, 11680), (7480, 10804), (8030, 10064), (8140, 9928)]