1397180880

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{646843}}^1$

素因数の和:646865

約数の個数: 80

約数和(自身を含む): 4812519360

約数和(自身を除く): 3415338480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 646843, 1293686, 1940529, 2587372, 3234215, 3881058, 5174744, 5821587, 6468430, 7762116, 9702645, 10349488, 11643174, 12936860, 15524232, 17464761, 19405290, 23286348, 25873720, 29107935, 31048464, 34929522, 38810580, 46572696, 51747440, 58215870, 69859044, 77621160, 87323805, 93145392, 116431740, 139718088, 155242320, 174647610, 232863480, 279436176, 349295220, 465726960, 698590440, 1397180880]

約数ペア:

[(1, 1397180880), (2, 698590440), (3, 465726960), (4, 349295220), (5, 279436176), (6, 232863480), (8, 174647610), (9, 155242320), (10, 139718088), (12, 116431740), (15, 93145392), (16, 87323805), (18, 77621160), (20, 69859044), (24, 58215870), (27, 51747440), (30, 46572696), (36, 38810580), (40, 34929522), (45, 31048464), (48, 29107935), (54, 25873720), (60, 23286348), (72, 19405290), (80, 17464761), (90, 15524232), (108, 12936860), (120, 11643174), (135, 10349488), (144, 9702645), (180, 7762116), (216, 6468430), (240, 5821587), (270, 5174744), (360, 3881058), (432, 3234215), (540, 2587372), (720, 1940529), (1080, 1293686), (2160, 646843)]