31908030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:774

約数の個数: 128

約数和(自身を含む): 100638720

約数和(自身を除く): 68730690

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 19, 21, 22, 30, 33, 35, 38, 42, 55, 57, 66, 70, 77, 95, 105, 110, 114, 133, 154, 165, 190, 209, 210, 231, 266, 285, 330, 385, 399, 418, 462, 570, 627, 665, 727, 770, 798, 1045, 1155, 1254, 1330, 1454, 1463, 1995, 2090, 2181, 2310, 2926, 3135, 3635, 3990, 4362, 4389, 5089, 6270, 7270, 7315, 7997, 8778, 10178, 10905, 13813, 14630, 15267, 15994, 21810, 21945, 23991, 25445, 27626, 30534, 39985, 41439, 43890, 47982, 50890, 55979, 69065, 76335, 79970, 82878, 96691, 111958, 119955, 138130, 151943, 152670, 167937, 193382, 207195, 239910, 279895, 290073, 303886, 335874, 414390, 455829, 483455, 559790, 580146, 759715, 839685, 911658, 966910, 1063601, 1450365, 1519430, 1679370, 2127202, 2279145, 2900730, 3190803, 4558290, 5318005, 6381606, 10636010, 15954015, 31908030]

約数ペア:

[(1, 31908030), (2, 15954015), (3, 10636010), (5, 6381606), (6, 5318005), (7, 4558290), (10, 3190803), (11, 2900730), (14, 2279145), (15, 2127202), (19, 1679370), (21, 1519430), (22, 1450365), (30, 1063601), (33, 966910), (35, 911658), (38, 839685), (42, 759715), (55, 580146), (57, 559790), (66, 483455), (70, 455829), (77, 414390), (95, 335874), (105, 303886), (110, 290073), (114, 279895), (133, 239910), (154, 207195), (165, 193382), (190, 167937), (209, 152670), (210, 151943), (231, 138130), (266, 119955), (285, 111958), (330, 96691), (385, 82878), (399, 79970), (418, 76335), (462, 69065), (570, 55979), (627, 50890), (665, 47982), (727, 43890), (770, 41439), (798, 39985), (1045, 30534), (1155, 27626), (1254, 25445), (1330, 23991), (1454, 21945), (1463, 21810), (1995, 15994), (2090, 15267), (2181, 14630), (2310, 13813), (2926, 10905), (3135, 10178), (3635, 8778), (3990, 7997), (4362, 7315), (4389, 7270), (5089, 6270)]