30726780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 99187200

約数和(自身を除く): 68460420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 420, 447, 491, 596, 745, 894, 982, 1043, 1473, 1490, 1788, 1964, 2086, 2235, 2455, 2946, 2980, 3129, 3437, 4172, 4470, 4910, 5215, 5892, 6258, 6874, 7365, 8940, 9820, 10311, 10430, 12516, 13748, 14730, 15645, 17185, 20622, 20860, 29460, 31290, 34370, 41244, 51555, 62580, 68740, 73159, 103110, 146318, 206220, 219477, 292636, 365795, 438954, 512113, 731590, 877908, 1024226, 1097385, 1463180, 1536339, 2048452, 2194770, 2560565, 3072678, 4389540, 5121130, 6145356, 7681695, 10242260, 15363390, 30726780]

約数ペア:

[(1, 30726780), (2, 15363390), (3, 10242260), (4, 7681695), (5, 6145356), (6, 5121130), (7, 4389540), (10, 3072678), (12, 2560565), (14, 2194770), (15, 2048452), (20, 1536339), (21, 1463180), (28, 1097385), (30, 1024226), (35, 877908), (42, 731590), (60, 512113), (70, 438954), (84, 365795), (105, 292636), (140, 219477), (149, 206220), (210, 146318), (298, 103110), (420, 73159), (447, 68740), (491, 62580), (596, 51555), (745, 41244), (894, 34370), (982, 31290), (1043, 29460), (1473, 20860), (1490, 20622), (1788, 17185), (1964, 15645), (2086, 14730), (2235, 13748), (2455, 12516), (2946, 10430), (2980, 10311), (3129, 9820), (3437, 8940), (4172, 7365), (4470, 6874), (4910, 6258), (5215, 5892)]