215184640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 635765760

約数和(自身を除く): 420581120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 29, 31, 32, 34, 40, 44, 55, 58, 62, 64, 68, 80, 85, 88, 110, 116, 124, 128, 136, 145, 155, 160, 170, 176, 187, 220, 232, 248, 256, 272, 290, 310, 319, 320, 340, 341, 352, 374, 440, 464, 493, 496, 527, 544, 580, 620, 638, 640, 680, 682, 704, 748, 880, 899, 928, 935, 986, 992, 1054, 1088, 1160, 1240, 1276, 1280, 1360, 1364, 1408, 1496, 1595, 1705, 1760, 1798, 1856, 1870, 1972, 1984, 2108, 2176, 2320, 2465, 2480, 2552, 2635, 2720, 2728, 2816, 2992, 3190, 3410, 3520, 3596, 3712, 3740, 3944, 3968, 4216, 4352, 4495, 4640, 4930, 4960, 5104, 5270, 5423, 5440, 5456, 5797, 5984, 6380, 6820, 7040, 7192, 7424, 7480, 7888, 7936, 8432, 8990, 9280, 9860, 9889, 9920, 10208, 10540, 10846, 10880, 10912, 11594, 11968, 12760, 13640, 14080, 14384, 14960, 15283, 15776, 16864, 17980, 18560, 19720, 19778, 19840, 20416, 21080, 21692, 21760, 21824, 23188, 23936, 25520, 27115, 27280, 28768, 28985, 29920, 30566, 31552, 33728, 35960, 37120, 39440, 39556, 39680, 40832, 42160, 43384, 43648, 46376, 47872, 49445, 51040, 54230, 54560, 57536, 57970, 59840, 61132, 63104, 67456, 71920, 76415, 78880, 79112, 81664, 84320, 86768, 87296, 92752, 98890, 102080, 108460, 109120, 115072, 115940, 119680, 122264, 126208, 134912, 143840, 152830, 157760, 158224, 168113, 168640, 173536, 185504, 197780, 204160, 216920, 218240, 230144, 231880, 239360, 244528, 287680, 305660, 315520, 316448, 336226, 337280, 347072, 371008, 395560, 408320, 433840, 436480, 463760, 489056, 575360, 611320, 631040, 632896, 672452, 674560, 694144, 742016, 791120, 840565, 867680, 927520, 978112, 1150720, 1222640, 1265792, 1344904, 1388288, 1484032, 1582240, 1681130, 1735360, 1855040, 1956224, 2445280, 2531584, 2689808, 3164480, 3362260, 3470720, 3710080, 3912448, 4890560, 5379616, 6328960, 6724520, 6941440, 7420160, 9781120, 10759232, 12657920, 13449040, 19562240, 21518464, 26898080, 43036928, 53796160, 107592320, 215184640]

約数ペア:

[(1, 215184640), (2, 107592320), (4, 53796160), (5, 43036928), (8, 26898080), (10, 21518464), (11, 19562240), (16, 13449040), (17, 12657920), (20, 10759232), (22, 9781120), (29, 7420160), (31, 6941440), (32, 6724520), (34, 6328960), (40, 5379616), (44, 4890560), (55, 3912448), (58, 3710080), (62, 3470720), (64, 3362260), (68, 3164480), (80, 2689808), (85, 2531584), (88, 2445280), (110, 1956224), (116, 1855040), (124, 1735360), (128, 1681130), (136, 1582240), (145, 1484032), (155, 1388288), (160, 1344904), (170, 1265792), (176, 1222640), (187, 1150720), (220, 978112), (232, 927520), (248, 867680), (256, 840565), (272, 791120), (290, 742016), (310, 694144), (319, 674560), (320, 672452), (340, 632896), (341, 631040), (352, 611320), (374, 575360), (440, 489056), (464, 463760), (493, 436480), (496, 433840), (527, 408320), (544, 395560), (580, 371008), (620, 347072), (638, 337280), (640, 336226), (680, 316448), (682, 315520), (704, 305660), (748, 287680), (880, 244528), (899, 239360), (928, 231880), (935, 230144), (986, 218240), (992, 216920), (1054, 204160), (1088, 197780), (1160, 185504), (1240, 173536), (1276, 168640), (1280, 168113), (1360, 158224), (1364, 157760), (1408, 152830), (1496, 143840), (1595, 134912), (1705, 126208), (1760, 122264), (1798, 119680), (1856, 115940), (1870, 115072), (1972, 109120), (1984, 108460), (2108, 102080), (2176, 98890), (2320, 92752), (2465, 87296), (2480, 86768), (2552, 84320), (2635, 81664), (2720, 79112), (2728, 78880), (2816, 76415), (2992, 71920), (3190, 67456), (3410, 63104), (3520, 61132), (3596, 59840), (3712, 57970), (3740, 57536), (3944, 54560), (3968, 54230), (4216, 51040), (4352, 49445), (4495, 47872), (4640, 46376), (4930, 43648), (4960, 43384), (5104, 42160), (5270, 40832), (5423, 39680), (5440, 39556), (5456, 39440), (5797, 37120), (5984, 35960), (6380, 33728), (6820, 31552), (7040, 30566), (7192, 29920), (7424, 28985), (7480, 28768), (7888, 27280), (7936, 27115), (8432, 25520), (8990, 23936), (9280, 23188), (9860, 21824), (9889, 21760), (9920, 21692), (10208, 21080), (10540, 20416), (10846, 19840), (10880, 19778), (10912, 19720), (11594, 18560), (11968, 17980), (12760, 16864), (13640, 15776), (14080, 15283), (14384, 14960)]