2178712860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{68903}}^1$

素因数の和:68963

約数の個数: 96

約数和(自身を含む): 6667702272

約数和(自身を除く): 4488989412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2635, 3162, 5270, 6324, 7905, 10540, 15810, 31620, 68903, 137806, 206709, 275612, 344515, 413418, 689030, 826836, 1033545, 1171351, 1378060, 2067090, 2135993, 2342702, 3514053, 4134180, 4271986, 4685404, 5856755, 6407979, 7028106, 8543972, 10679965, 11713510, 12815958, 14056212, 17570265, 21359930, 23427020, 25631916, 32039895, 35140530, 36311881, 42719860, 64079790, 70281060, 72623762, 108935643, 128159580, 145247524, 181559405, 217871286, 363118810, 435742572, 544678215, 726237620, 1089356430, 2178712860]

約数ペア:

[(1, 2178712860), (2, 1089356430), (3, 726237620), (4, 544678215), (5, 435742572), (6, 363118810), (10, 217871286), (12, 181559405), (15, 145247524), (17, 128159580), (20, 108935643), (30, 72623762), (31, 70281060), (34, 64079790), (51, 42719860), (60, 36311881), (62, 35140530), (68, 32039895), (85, 25631916), (93, 23427020), (102, 21359930), (124, 17570265), (155, 14056212), (170, 12815958), (186, 11713510), (204, 10679965), (255, 8543972), (310, 7028106), (340, 6407979), (372, 5856755), (465, 4685404), (510, 4271986), (527, 4134180), (620, 3514053), (930, 2342702), (1020, 2135993), (1054, 2067090), (1581, 1378060), (1860, 1171351), (2108, 1033545), (2635, 826836), (3162, 689030), (5270, 413418), (6324, 344515), (7905, 275612), (10540, 206709), (15810, 137806), (31620, 68903)]