68741880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1149

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 156865800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1087, 1240, 1581, 1860, 2040, 2108, 2174, 2635, 3162, 3261, 3720, 4216, 4348, 5270, 5435, 6324, 6522, 7905, 8696, 10540, 10870, 12648, 13044, 15810, 16305, 18479, 21080, 21740, 26088, 31620, 32610, 33697, 36958, 43480, 55437, 63240, 65220, 67394, 73916, 92395, 101091, 110874, 130440, 134788, 147832, 168485, 184790, 202182, 221748, 269576, 277185, 336970, 369580, 404364, 443496, 505455, 554370, 572849, 673940, 739160, 808728, 1010910, 1108740, 1145698, 1347880, 1718547, 2021820, 2217480, 2291396, 2864245, 3437094, 4043640, 4582792, 5728490, 6874188, 8592735, 11456980, 13748376, 17185470, 22913960, 34370940, 68741880]

約数ペア:

[(1, 68741880), (2, 34370940), (3, 22913960), (4, 17185470), (5, 13748376), (6, 11456980), (8, 8592735), (10, 6874188), (12, 5728490), (15, 4582792), (17, 4043640), (20, 3437094), (24, 2864245), (30, 2291396), (31, 2217480), (34, 2021820), (40, 1718547), (51, 1347880), (60, 1145698), (62, 1108740), (68, 1010910), (85, 808728), (93, 739160), (102, 673940), (120, 572849), (124, 554370), (136, 505455), (155, 443496), (170, 404364), (186, 369580), (204, 336970), (248, 277185), (255, 269576), (310, 221748), (340, 202182), (372, 184790), (408, 168485), (465, 147832), (510, 134788), (527, 130440), (620, 110874), (680, 101091), (744, 92395), (930, 73916), (1020, 67394), (1054, 65220), (1087, 63240), (1240, 55437), (1581, 43480), (1860, 36958), (2040, 33697), (2108, 32610), (2174, 31620), (2635, 26088), (3162, 21740), (3261, 21080), (3720, 18479), (4216, 16305), (4348, 15810), (5270, 13044), (5435, 12648), (6324, 10870), (6522, 10540), (7905, 8696)]