1290002760

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{398149}}^1$

素因数の和:398172

約数の個数: 80

約数和(自身を含む): 4335853500

約数和(自身を除く): 3045850740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 398149, 796298, 1194447, 1592596, 1990745, 2388894, 3185192, 3583341, 3981490, 4777788, 5972235, 7166682, 7962980, 9555576, 10750023, 11944470, 14333364, 15925960, 17916705, 21500046, 23888940, 28666728, 32250069, 35833410, 43000092, 47777880, 53750115, 64500138, 71666820, 86000184, 107500230, 129000276, 143333640, 161250345, 215000460, 258000552, 322500690, 430000920, 645001380, 1290002760]

約数ペア:

[(1, 1290002760), (2, 645001380), (3, 430000920), (4, 322500690), (5, 258000552), (6, 215000460), (8, 161250345), (9, 143333640), (10, 129000276), (12, 107500230), (15, 86000184), (18, 71666820), (20, 64500138), (24, 53750115), (27, 47777880), (30, 43000092), (36, 35833410), (40, 32250069), (45, 28666728), (54, 23888940), (60, 21500046), (72, 17916705), (81, 15925960), (90, 14333364), (108, 11944470), (120, 10750023), (135, 9555576), (162, 7962980), (180, 7166682), (216, 5972235), (270, 4777788), (324, 3981490), (360, 3583341), (405, 3185192), (540, 2388894), (648, 1990745), (810, 1592596), (1080, 1194447), (1620, 796298), (3240, 398149)]