72757020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{821}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 234210816

約数和(自身を除く): 161453796

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, 210, 211, 420, 422, 633, 821, 844, 1055, 1266, 1477, 1642, 2110, 2463, 2532, 2954, 3165, 3284, 4105, 4220, 4431, 4926, 5747, 5908, 6330, 7385, 8210, 8862, 9852, 11494, 12315, 12660, 14770, 16420, 17241, 17724, 22155, 22988, 24630, 28735, 29540, 34482, 44310, 49260, 57470, 68964, 86205, 88620, 114940, 172410, 173231, 344820, 346462, 519693, 692924, 866155, 1039386, 1212617, 1732310, 2078772, 2425234, 2598465, 3464620, 3637851, 4850468, 5196930, 6063085, 7275702, 10393860, 12126170, 14551404, 18189255, 24252340, 36378510, 72757020]

約数ペア:

[(1, 72757020), (2, 36378510), (3, 24252340), (4, 18189255), (5, 14551404), (6, 12126170), (7, 10393860), (10, 7275702), (12, 6063085), (14, 5196930), (15, 4850468), (20, 3637851), (21, 3464620), (28, 2598465), (30, 2425234), (35, 2078772), (42, 1732310), (60, 1212617), (70, 1039386), (84, 866155), (105, 692924), (140, 519693), (210, 346462), (211, 344820), (420, 173231), (422, 172410), (633, 114940), (821, 88620), (844, 86205), (1055, 68964), (1266, 57470), (1477, 49260), (1642, 44310), (2110, 34482), (2463, 29540), (2532, 28735), (2954, 24630), (3165, 22988), (3284, 22155), (4105, 17724), (4220, 17241), (4431, 16420), (4926, 14770), (5747, 12660), (5908, 12315), (6330, 11494), (7385, 9852), (8210, 8862)]