868690440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21739}}^1$

素因数の和:21796

約数の個数: 128

約数和(自身を含む): 2974032000

約数和(自身を除く): 2105341560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 90, 108, 111, 120, 135, 148, 180, 185, 216, 222, 270, 296, 333, 360, 370, 444, 540, 555, 666, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1998, 2220, 2664, 3330, 3996, 4440, 4995, 6660, 7992, 9990, 13320, 19980, 21739, 39960, 43478, 65217, 86956, 108695, 130434, 173912, 195651, 217390, 260868, 326085, 391302, 434780, 521736, 586953, 652170, 782604, 804343, 869560, 978255, 1173906, 1304340, 1565208, 1608686, 1956510, 2347812, 2413029, 2608680, 2934765, 3217372, 3913020, 4021715, 4695624, 4826058, 5869530, 6434744, 7239087, 7826040, 8043430, 9652116, 11739060, 12065145, 14478174, 16086860, 19304232, 21717261, 23478120, 24130290, 28956348, 32173720, 36195435, 43434522, 48260580, 57912696, 72390870, 86869044, 96521160, 108586305, 144781740, 173738088, 217172610, 289563480, 434345220, 868690440]

約数ペア:

[(1, 868690440), (2, 434345220), (3, 289563480), (4, 217172610), (5, 173738088), (6, 144781740), (8, 108586305), (9, 96521160), (10, 86869044), (12, 72390870), (15, 57912696), (18, 48260580), (20, 43434522), (24, 36195435), (27, 32173720), (30, 28956348), (36, 24130290), (37, 23478120), (40, 21717261), (45, 19304232), (54, 16086860), (60, 14478174), (72, 12065145), (74, 11739060), (90, 9652116), (108, 8043430), (111, 7826040), (120, 7239087), (135, 6434744), (148, 5869530), (180, 4826058), (185, 4695624), (216, 4021715), (222, 3913020), (270, 3217372), (296, 2934765), (333, 2608680), (360, 2413029), (370, 2347812), (444, 1956510), (540, 1608686), (555, 1565208), (666, 1304340), (740, 1173906), (888, 978255), (999, 869560), (1080, 804343), (1110, 782604), (1332, 652170), (1480, 586953), (1665, 521736), (1998, 434780), (2220, 391302), (2664, 326085), (3330, 260868), (3996, 217390), (4440, 195651), (4995, 173912), (6660, 130434), (7992, 108695), (9990, 86956), (13320, 65217), (19980, 43478), (21739, 39960)]