31220460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1621}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 95646096

約数和(自身を除く): 64425636

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1621, 1926, 2140, 3210, 3242, 3852, 4815, 4863, 6420, 6484, 8105, 9630, 9726, 14589, 16210, 19260, 19452, 24315, 29178, 32420, 48630, 58356, 72945, 97260, 145890, 173447, 291780, 346894, 520341, 693788, 867235, 1040682, 1561023, 1734470, 2081364, 2601705, 3122046, 3468940, 5203410, 6244092, 7805115, 10406820, 15610230, 31220460]

約数ペア:

[(1, 31220460), (2, 15610230), (3, 10406820), (4, 7805115), (5, 6244092), (6, 5203410), (9, 3468940), (10, 3122046), (12, 2601705), (15, 2081364), (18, 1734470), (20, 1561023), (30, 1040682), (36, 867235), (45, 693788), (60, 520341), (90, 346894), (107, 291780), (180, 173447), (214, 145890), (321, 97260), (428, 72945), (535, 58356), (642, 48630), (963, 32420), (1070, 29178), (1284, 24315), (1605, 19452), (1621, 19260), (1926, 16210), (2140, 14589), (3210, 9726), (3242, 9630), (3852, 8105), (4815, 6484), (4863, 6420)]