31415370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 59823030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 49, 70, 71, 86, 98, 105, 129, 142, 147, 210, 213, 215, 245, 258, 294, 301, 343, 355, 426, 430, 490, 497, 602, 645, 686, 710, 735, 903, 994, 1029, 1065, 1290, 1470, 1491, 1505, 1715, 1806, 2058, 2107, 2130, 2485, 2982, 3010, 3053, 3430, 3479, 4214, 4515, 4970, 5145, 6106, 6321, 6958, 7455, 9030, 9159, 10290, 10437, 10535, 12642, 14749, 14910, 15265, 17395, 18318, 20874, 21070, 21371, 24353, 29498, 30530, 31605, 34790, 42742, 44247, 45795, 48706, 52185, 63210, 64113, 73059, 73745, 88494, 91590, 104370, 106855, 121765, 128226, 146118, 147490, 149597, 213710, 221235, 243530, 299194, 320565, 365295, 442470, 448791, 641130, 730590, 747985, 897582, 1047179, 1495970, 2094358, 2243955, 3141537, 4487910, 5235895, 6283074, 10471790, 15707685, 31415370]

約数ペア:

[(1, 31415370), (2, 15707685), (3, 10471790), (5, 6283074), (6, 5235895), (7, 4487910), (10, 3141537), (14, 2243955), (15, 2094358), (21, 1495970), (30, 1047179), (35, 897582), (42, 747985), (43, 730590), (49, 641130), (70, 448791), (71, 442470), (86, 365295), (98, 320565), (105, 299194), (129, 243530), (142, 221235), (147, 213710), (210, 149597), (213, 147490), (215, 146118), (245, 128226), (258, 121765), (294, 106855), (301, 104370), (343, 91590), (355, 88494), (426, 73745), (430, 73059), (490, 64113), (497, 63210), (602, 52185), (645, 48706), (686, 45795), (710, 44247), (735, 42742), (903, 34790), (994, 31605), (1029, 30530), (1065, 29498), (1290, 24353), (1470, 21371), (1491, 21070), (1505, 20874), (1715, 18318), (1806, 17395), (2058, 15265), (2107, 14910), (2130, 14749), (2485, 12642), (2982, 10535), (3010, 10437), (3053, 10290), (3430, 9159), (3479, 9030), (4214, 7455), (4515, 6958), (4970, 6321), (5145, 6106)]