211031880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 256

約数和(自身を含む): 716636160

約数和(自身を除く): 505604280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 47, 51, 60, 62, 68, 71, 85, 93, 94, 102, 120, 124, 136, 141, 142, 155, 170, 186, 188, 204, 213, 235, 248, 255, 282, 284, 310, 340, 355, 372, 376, 408, 426, 465, 470, 510, 527, 564, 568, 620, 680, 705, 710, 744, 799, 852, 930, 940, 1020, 1054, 1065, 1128, 1207, 1240, 1410, 1420, 1457, 1581, 1598, 1704, 1860, 1880, 2040, 2108, 2130, 2201, 2397, 2414, 2635, 2820, 2840, 2914, 3162, 3196, 3337, 3621, 3720, 3995, 4216, 4260, 4371, 4402, 4794, 4828, 5270, 5640, 5828, 6035, 6324, 6392, 6603, 6674, 7242, 7285, 7905, 7990, 8520, 8742, 8804, 9588, 9656, 10011, 10540, 11005, 11656, 11985, 12070, 12648, 13206, 13348, 14484, 14570, 15810, 15980, 16685, 17484, 17608, 18105, 19176, 20022, 21080, 21855, 22010, 23970, 24140, 24769, 26412, 26696, 28968, 29140, 31620, 31960, 33015, 33370, 34968, 36210, 37417, 40044, 43710, 44020, 47940, 48280, 49538, 50055, 52824, 56729, 58280, 63240, 66030, 66740, 72420, 74307, 74834, 80088, 87420, 88040, 95880, 99076, 100110, 103447, 112251, 113458, 123845, 132060, 133480, 144840, 148614, 149668, 170187, 174840, 187085, 198152, 200220, 206894, 224502, 226916, 247690, 264120, 283645, 297228, 299336, 310341, 340374, 371535, 374170, 400440, 413788, 449004, 453832, 495380, 517235, 561255, 567290, 594456, 620682, 680748, 743070, 748340, 827576, 850935, 898008, 990760, 1034470, 1122510, 1134580, 1241364, 1361496, 1486140, 1496680, 1551705, 1701870, 1758599, 2068940, 2245020, 2269160, 2482728, 2972280, 3103410, 3403740, 3517198, 4137880, 4490040, 5275797, 6206820, 6807480, 7034396, 8792995, 10551594, 12413640, 14068792, 17585990, 21103188, 26378985, 35171980, 42206376, 52757970, 70343960, 105515940, 211031880]

約数ペア:

[(1, 211031880), (2, 105515940), (3, 70343960), (4, 52757970), (5, 42206376), (6, 35171980), (8, 26378985), (10, 21103188), (12, 17585990), (15, 14068792), (17, 12413640), (20, 10551594), (24, 8792995), (30, 7034396), (31, 6807480), (34, 6206820), (40, 5275797), (47, 4490040), (51, 4137880), (60, 3517198), (62, 3403740), (68, 3103410), (71, 2972280), (85, 2482728), (93, 2269160), (94, 2245020), (102, 2068940), (120, 1758599), (124, 1701870), (136, 1551705), (141, 1496680), (142, 1486140), (155, 1361496), (170, 1241364), (186, 1134580), (188, 1122510), (204, 1034470), (213, 990760), (235, 898008), (248, 850935), (255, 827576), (282, 748340), (284, 743070), (310, 680748), (340, 620682), (355, 594456), (372, 567290), (376, 561255), (408, 517235), (426, 495380), (465, 453832), (470, 449004), (510, 413788), (527, 400440), (564, 374170), (568, 371535), (620, 340374), (680, 310341), (705, 299336), (710, 297228), (744, 283645), (799, 264120), (852, 247690), (930, 226916), (940, 224502), (1020, 206894), (1054, 200220), (1065, 198152), (1128, 187085), (1207, 174840), (1240, 170187), (1410, 149668), (1420, 148614), (1457, 144840), (1581, 133480), (1598, 132060), (1704, 123845), (1860, 113458), (1880, 112251), (2040, 103447), (2108, 100110), (2130, 99076), (2201, 95880), (2397, 88040), (2414, 87420), (2635, 80088), (2820, 74834), (2840, 74307), (2914, 72420), (3162, 66740), (3196, 66030), (3337, 63240), (3621, 58280), (3720, 56729), (3995, 52824), (4216, 50055), (4260, 49538), (4371, 48280), (4402, 47940), (4794, 44020), (4828, 43710), (5270, 40044), (5640, 37417), (5828, 36210), (6035, 34968), (6324, 33370), (6392, 33015), (6603, 31960), (6674, 31620), (7242, 29140), (7285, 28968), (7905, 26696), (7990, 26412), (8520, 24769), (8742, 24140), (8804, 23970), (9588, 22010), (9656, 21855), (10011, 21080), (10540, 20022), (11005, 19176), (11656, 18105), (11985, 17608), (12070, 17484), (12648, 16685), (13206, 15980), (13348, 15810), (14484, 14570)]