81356060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 188116992

約数和(自身を除く): 106760932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 53, 71, 92, 94, 106, 115, 142, 188, 212, 230, 235, 265, 284, 355, 460, 470, 530, 710, 940, 1060, 1081, 1219, 1420, 1633, 2162, 2438, 2491, 3266, 3337, 3763, 4324, 4876, 4982, 5405, 6095, 6532, 6674, 7526, 8165, 9964, 10810, 12190, 12455, 13348, 15052, 16330, 16685, 18815, 21620, 24380, 24910, 32660, 33370, 37630, 49820, 57293, 66740, 75260, 76751, 86549, 114586, 153502, 173098, 176861, 229172, 286465, 307004, 346196, 353722, 383755, 432745, 572930, 707444, 767510, 865490, 884305, 1145860, 1535020, 1730980, 1768610, 3537220, 4067803, 8135606, 16271212, 20339015, 40678030, 81356060]

約数ペア:

[(1, 81356060), (2, 40678030), (4, 20339015), (5, 16271212), (10, 8135606), (20, 4067803), (23, 3537220), (46, 1768610), (47, 1730980), (53, 1535020), (71, 1145860), (92, 884305), (94, 865490), (106, 767510), (115, 707444), (142, 572930), (188, 432745), (212, 383755), (230, 353722), (235, 346196), (265, 307004), (284, 286465), (355, 229172), (460, 176861), (470, 173098), (530, 153502), (710, 114586), (940, 86549), (1060, 76751), (1081, 75260), (1219, 66740), (1420, 57293), (1633, 49820), (2162, 37630), (2438, 33370), (2491, 32660), (3266, 24910), (3337, 24380), (3763, 21620), (4324, 18815), (4876, 16685), (4982, 16330), (5405, 15052), (6095, 13348), (6532, 12455), (6674, 12190), (7526, 10810), (8165, 9964)]