278600940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{2129}}^1$

素因数の和:2871

約数の個数: 72

約数和(自身を含む): 846649440

約数和(自身を除く): 568048500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 727, 1454, 2129, 2181, 2908, 3635, 4258, 4362, 6387, 6543, 7270, 8516, 8724, 10645, 10905, 12774, 13086, 14540, 19161, 21290, 21810, 25548, 26172, 31935, 32715, 38322, 42580, 43620, 63870, 65430, 76644, 95805, 127740, 130860, 191610, 383220, 1547783, 3095566, 4643349, 6191132, 7738915, 9286698, 13930047, 15477830, 18573396, 23216745, 27860094, 30955660, 46433490, 55720188, 69650235, 92866980, 139300470, 278600940]

約数ペア:

[(1, 278600940), (2, 139300470), (3, 92866980), (4, 69650235), (5, 55720188), (6, 46433490), (9, 30955660), (10, 27860094), (12, 23216745), (15, 18573396), (18, 15477830), (20, 13930047), (30, 9286698), (36, 7738915), (45, 6191132), (60, 4643349), (90, 3095566), (180, 1547783), (727, 383220), (1454, 191610), (2129, 130860), (2181, 127740), (2908, 95805), (3635, 76644), (4258, 65430), (4362, 63870), (6387, 43620), (6543, 42580), (7270, 38322), (8516, 32715), (8724, 31935), (10645, 26172), (10905, 25548), (12774, 21810), (13086, 21290), (14540, 19161)]