392947020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2659}}^1$

素因数の和:3495

約数の個数: 72

約数和(自身を含む): 1193839920

約数和(自身を除く): 800892900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 821, 1642, 2463, 2659, 3284, 4105, 4926, 5318, 7389, 7977, 8210, 9852, 10636, 12315, 13295, 14778, 15954, 16420, 23931, 24630, 26590, 29556, 31908, 36945, 39885, 47862, 49260, 53180, 73890, 79770, 95724, 119655, 147780, 159540, 239310, 478620, 2183039, 4366078, 6549117, 8732156, 10915195, 13098234, 19647351, 21830390, 26196468, 32745585, 39294702, 43660780, 65491170, 78589404, 98236755, 130982340, 196473510, 392947020]

約数ペア:

[(1, 392947020), (2, 196473510), (3, 130982340), (4, 98236755), (5, 78589404), (6, 65491170), (9, 43660780), (10, 39294702), (12, 32745585), (15, 26196468), (18, 21830390), (20, 19647351), (30, 13098234), (36, 10915195), (45, 8732156), (60, 6549117), (90, 4366078), (180, 2183039), (821, 478620), (1642, 239310), (2463, 159540), (2659, 147780), (3284, 119655), (4105, 95724), (4926, 79770), (5318, 73890), (7389, 53180), (7977, 49260), (8210, 47862), (9852, 39885), (10636, 36945), (12315, 31908), (13295, 29556), (14778, 26590), (15954, 24630), (16420, 23931)]