218148720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{908953}}^1$

素因数の和:908969

約数の個数: 40

約数和(自身を含む): 676261776

約数和(自身を除く): 458113056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 908953, 1817906, 2726859, 3635812, 4544765, 5453718, 7271624, 9089530, 10907436, 13634295, 14543248, 18179060, 21814872, 27268590, 36358120, 43629744, 54537180, 72716240, 109074360, 218148720]

約数ペア:

[(1, 218148720), (2, 109074360), (3, 72716240), (4, 54537180), (5, 43629744), (6, 36358120), (8, 27268590), (10, 21814872), (12, 18179060), (15, 14543248), (16, 13634295), (20, 10907436), (24, 9089530), (30, 7271624), (40, 5453718), (48, 4544765), (60, 3635812), (80, 2726859), (120, 1817906), (240, 908953)]