128655660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:560

約数の個数: 192

約数和(自身を含む): 448616448

約数和(自身を除く): 319960788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 37, 42, 51, 60, 68, 70, 74, 84, 85, 102, 105, 111, 119, 140, 148, 170, 185, 204, 210, 222, 238, 255, 259, 340, 357, 370, 420, 444, 476, 487, 510, 518, 555, 595, 629, 714, 740, 777, 974, 1020, 1036, 1110, 1190, 1258, 1295, 1428, 1461, 1554, 1785, 1887, 1948, 2220, 2380, 2435, 2516, 2590, 2922, 3108, 3145, 3409, 3570, 3774, 3885, 4403, 4870, 5180, 5844, 6290, 6818, 7140, 7305, 7548, 7770, 8279, 8806, 9435, 9740, 10227, 12580, 13209, 13636, 14610, 15540, 16558, 17045, 17612, 18019, 18870, 20454, 22015, 24837, 26418, 29220, 33116, 34090, 36038, 37740, 40908, 41395, 44030, 49674, 51135, 52836, 54057, 57953, 66045, 68180, 72076, 82790, 88060, 90095, 99348, 102270, 108114, 115906, 124185, 126133, 132090, 165580, 173859, 180190, 204540, 216228, 231812, 248370, 252266, 264180, 270285, 289765, 306323, 347718, 360380, 378399, 496740, 504532, 540570, 579530, 612646, 630665, 695436, 756798, 869295, 918969, 1081140, 1159060, 1225292, 1261330, 1513596, 1531615, 1738590, 1837938, 1891995, 2144261, 2522660, 3063230, 3477180, 3675876, 3783990, 4288522, 4594845, 6126460, 6432783, 7567980, 8577044, 9189690, 10721305, 12865566, 18379380, 21442610, 25731132, 32163915, 42885220, 64327830, 128655660]

約数ペア:

[(1, 128655660), (2, 64327830), (3, 42885220), (4, 32163915), (5, 25731132), (6, 21442610), (7, 18379380), (10, 12865566), (12, 10721305), (14, 9189690), (15, 8577044), (17, 7567980), (20, 6432783), (21, 6126460), (28, 4594845), (30, 4288522), (34, 3783990), (35, 3675876), (37, 3477180), (42, 3063230), (51, 2522660), (60, 2144261), (68, 1891995), (70, 1837938), (74, 1738590), (84, 1531615), (85, 1513596), (102, 1261330), (105, 1225292), (111, 1159060), (119, 1081140), (140, 918969), (148, 869295), (170, 756798), (185, 695436), (204, 630665), (210, 612646), (222, 579530), (238, 540570), (255, 504532), (259, 496740), (340, 378399), (357, 360380), (370, 347718), (420, 306323), (444, 289765), (476, 270285), (487, 264180), (510, 252266), (518, 248370), (555, 231812), (595, 216228), (629, 204540), (714, 180190), (740, 173859), (777, 165580), (974, 132090), (1020, 126133), (1036, 124185), (1110, 115906), (1190, 108114), (1258, 102270), (1295, 99348), (1428, 90095), (1461, 88060), (1554, 82790), (1785, 72076), (1887, 68180), (1948, 66045), (2220, 57953), (2380, 54057), (2435, 52836), (2516, 51135), (2590, 49674), (2922, 44030), (3108, 41395), (3145, 40908), (3409, 37740), (3570, 36038), (3774, 34090), (3885, 33116), (4403, 29220), (4870, 26418), (5180, 24837), (5844, 22015), (6290, 20454), (6818, 18870), (7140, 18019), (7305, 17612), (7548, 17045), (7770, 16558), (8279, 15540), (8806, 14610), (9435, 13636), (9740, 13209), (10227, 12580)]