18068880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1$

素因数の和:1048

約数の個数: 80

約数和(自身を含む): 56782080

約数和(自身を除く): 38713200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 953, 1185, 1264, 1580, 1896, 1906, 2370, 2859, 3160, 3792, 3812, 4740, 4765, 5718, 6320, 7624, 9480, 9530, 11436, 14295, 15248, 18960, 19060, 22872, 28590, 38120, 45744, 57180, 75287, 76240, 114360, 150574, 225861, 228720, 301148, 376435, 451722, 602296, 752870, 903444, 1129305, 1204592, 1505740, 1806888, 2258610, 3011480, 3613776, 4517220, 6022960, 9034440, 18068880]

約数ペア:

[(1, 18068880), (2, 9034440), (3, 6022960), (4, 4517220), (5, 3613776), (6, 3011480), (8, 2258610), (10, 1806888), (12, 1505740), (15, 1204592), (16, 1129305), (20, 903444), (24, 752870), (30, 602296), (40, 451722), (48, 376435), (60, 301148), (79, 228720), (80, 225861), (120, 150574), (158, 114360), (237, 76240), (240, 75287), (316, 57180), (395, 45744), (474, 38120), (632, 28590), (790, 22872), (948, 19060), (953, 18960), (1185, 15248), (1264, 14295), (1580, 11436), (1896, 9530), (1906, 9480), (2370, 7624), (2859, 6320), (3160, 5718), (3792, 4765), (3812, 4740)]