27635440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 74727360

約数和(自身を除く): 47091920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 809, 854, 976, 1220, 1618, 1708, 2135, 2440, 3236, 3416, 4045, 4270, 4880, 5663, 6472, 6832, 8090, 8540, 11326, 12944, 16180, 17080, 22652, 28315, 32360, 34160, 45304, 49349, 56630, 64720, 90608, 98698, 113260, 197396, 226520, 246745, 345443, 394792, 453040, 493490, 690886, 789584, 986980, 1381772, 1727215, 1973960, 2763544, 3454430, 3947920, 5527088, 6908860, 13817720, 27635440]

約数ペア:

[(1, 27635440), (2, 13817720), (4, 6908860), (5, 5527088), (7, 3947920), (8, 3454430), (10, 2763544), (14, 1973960), (16, 1727215), (20, 1381772), (28, 986980), (35, 789584), (40, 690886), (56, 493490), (61, 453040), (70, 394792), (80, 345443), (112, 246745), (122, 226520), (140, 197396), (244, 113260), (280, 98698), (305, 90608), (427, 64720), (488, 56630), (560, 49349), (610, 45304), (809, 34160), (854, 32360), (976, 28315), (1220, 22652), (1618, 17080), (1708, 16180), (2135, 12944), (2440, 11326), (3236, 8540), (3416, 8090), (4045, 6832), (4270, 6472), (4880, 5663)]