2780451540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1511}}^1\times {\mathrm{10223}}^1$

素因数の和:11749

約数の個数: 72

約数和(自身を含む): 8440443648

約数和(自身を除く): 5659992108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1511, 3022, 4533, 6044, 7555, 9066, 10223, 13599, 15110, 18132, 20446, 22665, 27198, 30220, 30669, 40892, 45330, 51115, 54396, 61338, 67995, 90660, 92007, 102230, 122676, 135990, 153345, 184014, 204460, 271980, 306690, 368028, 460035, 613380, 920070, 1840140, 15446953, 30893906, 46340859, 61787812, 77234765, 92681718, 139022577, 154469530, 185363436, 231704295, 278045154, 308939060, 463408590, 556090308, 695112885, 926817180, 1390225770, 2780451540]

約数ペア:

[(1, 2780451540), (2, 1390225770), (3, 926817180), (4, 695112885), (5, 556090308), (6, 463408590), (9, 308939060), (10, 278045154), (12, 231704295), (15, 185363436), (18, 154469530), (20, 139022577), (30, 92681718), (36, 77234765), (45, 61787812), (60, 46340859), (90, 30893906), (180, 15446953), (1511, 1840140), (3022, 920070), (4533, 613380), (6044, 460035), (7555, 368028), (9066, 306690), (10223, 271980), (13599, 204460), (15110, 184014), (18132, 153345), (20446, 135990), (22665, 122676), (27198, 102230), (30220, 92007), (30669, 90660), (40892, 67995), (45330, 61338), (51115, 54396)]