87418760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 261273600

約数和(自身を除く): 173854840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 29, 31, 34, 40, 44, 52, 55, 58, 62, 65, 68, 85, 88, 104, 110, 116, 124, 130, 136, 143, 145, 155, 170, 187, 220, 221, 232, 248, 260, 286, 290, 310, 319, 340, 341, 374, 377, 403, 440, 442, 493, 520, 527, 572, 580, 620, 638, 680, 682, 715, 748, 754, 806, 884, 899, 935, 986, 1054, 1105, 1144, 1160, 1240, 1276, 1364, 1430, 1496, 1508, 1595, 1612, 1705, 1768, 1798, 1870, 1885, 1972, 2015, 2108, 2210, 2431, 2465, 2552, 2635, 2728, 2860, 3016, 3190, 3224, 3410, 3596, 3740, 3770, 3944, 4030, 4147, 4216, 4420, 4433, 4495, 4862, 4930, 5270, 5423, 5720, 5797, 6380, 6409, 6820, 6851, 7192, 7480, 7540, 8060, 8294, 8840, 8866, 8990, 9724, 9860, 9889, 10540, 10846, 11594, 11687, 12155, 12760, 12818, 13640, 13702, 15080, 15283, 16120, 16588, 17732, 17980, 19448, 19720, 19778, 20735, 21080, 21692, 22165, 23188, 23374, 24310, 25636, 27115, 27404, 28985, 30566, 32045, 33176, 34255, 35464, 35960, 39556, 41470, 43384, 44330, 46376, 46748, 48620, 49445, 51272, 54230, 54808, 57970, 58435, 61132, 64090, 68510, 70499, 75361, 76415, 79112, 82940, 88660, 93496, 97240, 98890, 108460, 115940, 116870, 122264, 128180, 128557, 137020, 140998, 150722, 152830, 165880, 168113, 177320, 197780, 198679, 216920, 231880, 233740, 256360, 257114, 274040, 281996, 301444, 305660, 336226, 352495, 376805, 395560, 397358, 467480, 514228, 563992, 602888, 611320, 642785, 672452, 704990, 753610, 794716, 840565, 993395, 1028456, 1285570, 1344904, 1409980, 1507220, 1589432, 1681130, 1986790, 2185469, 2571140, 2819960, 3014440, 3362260, 3973580, 4370938, 5142280, 6724520, 7947160, 8741876, 10927345, 17483752, 21854690, 43709380, 87418760]

約数ペア:

[(1, 87418760), (2, 43709380), (4, 21854690), (5, 17483752), (8, 10927345), (10, 8741876), (11, 7947160), (13, 6724520), (17, 5142280), (20, 4370938), (22, 3973580), (26, 3362260), (29, 3014440), (31, 2819960), (34, 2571140), (40, 2185469), (44, 1986790), (52, 1681130), (55, 1589432), (58, 1507220), (62, 1409980), (65, 1344904), (68, 1285570), (85, 1028456), (88, 993395), (104, 840565), (110, 794716), (116, 753610), (124, 704990), (130, 672452), (136, 642785), (143, 611320), (145, 602888), (155, 563992), (170, 514228), (187, 467480), (220, 397358), (221, 395560), (232, 376805), (248, 352495), (260, 336226), (286, 305660), (290, 301444), (310, 281996), (319, 274040), (340, 257114), (341, 256360), (374, 233740), (377, 231880), (403, 216920), (440, 198679), (442, 197780), (493, 177320), (520, 168113), (527, 165880), (572, 152830), (580, 150722), (620, 140998), (638, 137020), (680, 128557), (682, 128180), (715, 122264), (748, 116870), (754, 115940), (806, 108460), (884, 98890), (899, 97240), (935, 93496), (986, 88660), (1054, 82940), (1105, 79112), (1144, 76415), (1160, 75361), (1240, 70499), (1276, 68510), (1364, 64090), (1430, 61132), (1496, 58435), (1508, 57970), (1595, 54808), (1612, 54230), (1705, 51272), (1768, 49445), (1798, 48620), (1870, 46748), (1885, 46376), (1972, 44330), (2015, 43384), (2108, 41470), (2210, 39556), (2431, 35960), (2465, 35464), (2552, 34255), (2635, 33176), (2728, 32045), (2860, 30566), (3016, 28985), (3190, 27404), (3224, 27115), (3410, 25636), (3596, 24310), (3740, 23374), (3770, 23188), (3944, 22165), (4030, 21692), (4147, 21080), (4216, 20735), (4420, 19778), (4433, 19720), (4495, 19448), (4862, 17980), (4930, 17732), (5270, 16588), (5423, 16120), (5720, 15283), (5797, 15080), (6380, 13702), (6409, 13640), (6820, 12818), (6851, 12760), (7192, 12155), (7480, 11687), (7540, 11594), (8060, 10846), (8294, 10540), (8840, 9889), (8866, 9860), (8990, 9724)]