31930860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 100348416

約数和(自身を除く): 68417556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 47, 52, 60, 65, 67, 78, 94, 130, 134, 141, 156, 169, 188, 195, 201, 235, 260, 268, 282, 335, 338, 390, 402, 470, 507, 564, 611, 670, 676, 705, 780, 804, 845, 871, 940, 1005, 1014, 1222, 1340, 1410, 1690, 1742, 1833, 2010, 2028, 2444, 2535, 2613, 2820, 3055, 3149, 3380, 3484, 3666, 4020, 4355, 5070, 5226, 6110, 6298, 7332, 7943, 8710, 9165, 9447, 10140, 10452, 11323, 12220, 12596, 13065, 15745, 15886, 17420, 18330, 18894, 22646, 23829, 26130, 31490, 31772, 33969, 36660, 37788, 39715, 40937, 45292, 47235, 47658, 52260, 56615, 62980, 67938, 79430, 81874, 94470, 95316, 113230, 119145, 122811, 135876, 158860, 163748, 169845, 188940, 204685, 226460, 238290, 245622, 339690, 409370, 476580, 491244, 532181, 614055, 679380, 818740, 1064362, 1228110, 1596543, 2128724, 2456220, 2660905, 3193086, 5321810, 6386172, 7982715, 10643620, 15965430, 31930860]

約数ペア:

[(1, 31930860), (2, 15965430), (3, 10643620), (4, 7982715), (5, 6386172), (6, 5321810), (10, 3193086), (12, 2660905), (13, 2456220), (15, 2128724), (20, 1596543), (26, 1228110), (30, 1064362), (39, 818740), (47, 679380), (52, 614055), (60, 532181), (65, 491244), (67, 476580), (78, 409370), (94, 339690), (130, 245622), (134, 238290), (141, 226460), (156, 204685), (169, 188940), (188, 169845), (195, 163748), (201, 158860), (235, 135876), (260, 122811), (268, 119145), (282, 113230), (335, 95316), (338, 94470), (390, 81874), (402, 79430), (470, 67938), (507, 62980), (564, 56615), (611, 52260), (670, 47658), (676, 47235), (705, 45292), (780, 40937), (804, 39715), (845, 37788), (871, 36660), (940, 33969), (1005, 31772), (1014, 31490), (1222, 26130), (1340, 23829), (1410, 22646), (1690, 18894), (1742, 18330), (1833, 17420), (2010, 15886), (2028, 15745), (2444, 13065), (2535, 12596), (2613, 12220), (2820, 11323), (3055, 10452), (3149, 10140), (3380, 9447), (3484, 9165), (3666, 8710), (4020, 7943), (4355, 7332), (5070, 6298), (5226, 6110)]