305778540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:663

約数の個数: 96

約数和(自身を含む): 875266560

約数和(自身を除く): 569488020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 179, 213, 284, 355, 358, 401, 426, 537, 710, 716, 802, 852, 895, 1065, 1074, 1203, 1420, 1604, 1790, 2005, 2130, 2148, 2406, 2685, 3580, 4010, 4260, 4812, 5370, 6015, 8020, 10740, 12030, 12709, 24060, 25418, 28471, 38127, 50836, 56942, 63545, 71779, 76254, 85413, 113884, 127090, 142355, 143558, 152508, 170826, 190635, 215337, 254180, 284710, 287116, 341652, 358895, 381270, 427065, 430674, 569420, 717790, 762540, 854130, 861348, 1076685, 1435580, 1708260, 2153370, 4306740, 5096309, 10192618, 15288927, 20385236, 25481545, 30577854, 50963090, 61155708, 76444635, 101926180, 152889270, 305778540]

約数ペア:

[(1, 305778540), (2, 152889270), (3, 101926180), (4, 76444635), (5, 61155708), (6, 50963090), (10, 30577854), (12, 25481545), (15, 20385236), (20, 15288927), (30, 10192618), (60, 5096309), (71, 4306740), (142, 2153370), (179, 1708260), (213, 1435580), (284, 1076685), (355, 861348), (358, 854130), (401, 762540), (426, 717790), (537, 569420), (710, 430674), (716, 427065), (802, 381270), (852, 358895), (895, 341652), (1065, 287116), (1074, 284710), (1203, 254180), (1420, 215337), (1604, 190635), (1790, 170826), (2005, 152508), (2130, 143558), (2148, 142355), (2406, 127090), (2685, 113884), (3580, 85413), (4010, 76254), (4260, 71779), (4812, 63545), (5370, 56942), (6015, 50836), (8020, 38127), (10740, 28471), (12030, 25418), (12709, 24060)]