81751110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2927}}^1$

素因数の和:2970

約数の個数: 96

約数和(自身を含む): 240330240

約数和(自身を除く): 158579130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 57, 70, 95, 98, 105, 114, 133, 147, 190, 210, 245, 266, 285, 294, 399, 490, 570, 665, 735, 798, 931, 1330, 1470, 1862, 1995, 2793, 2927, 3990, 4655, 5586, 5854, 8781, 9310, 13965, 14635, 17562, 20489, 27930, 29270, 40978, 43905, 55613, 61467, 87810, 102445, 111226, 122934, 143423, 166839, 204890, 278065, 286846, 307335, 333678, 389291, 430269, 556130, 614670, 717115, 778582, 834195, 860538, 1167873, 1434230, 1668390, 1946455, 2151345, 2335746, 2725037, 3892910, 4302690, 5450074, 5839365, 8175111, 11678730, 13625185, 16350222, 27250370, 40875555, 81751110]

約数ペア:

[(1, 81751110), (2, 40875555), (3, 27250370), (5, 16350222), (6, 13625185), (7, 11678730), (10, 8175111), (14, 5839365), (15, 5450074), (19, 4302690), (21, 3892910), (30, 2725037), (35, 2335746), (38, 2151345), (42, 1946455), (49, 1668390), (57, 1434230), (70, 1167873), (95, 860538), (98, 834195), (105, 778582), (114, 717115), (133, 614670), (147, 556130), (190, 430269), (210, 389291), (245, 333678), (266, 307335), (285, 286846), (294, 278065), (399, 204890), (490, 166839), (570, 143423), (665, 122934), (735, 111226), (798, 102445), (931, 87810), (1330, 61467), (1470, 55613), (1862, 43905), (1995, 40978), (2793, 29270), (2927, 27930), (3990, 20489), (4655, 17562), (5586, 14635), (5854, 13965), (8781, 9310)]