2807820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 8976240

約数和(自身を除く): 6168420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 821, 855, 1140, 1642, 1710, 2463, 3284, 3420, 4105, 4926, 7389, 8210, 9852, 12315, 14778, 15599, 16420, 24630, 29556, 31198, 36945, 46797, 49260, 62396, 73890, 77995, 93594, 140391, 147780, 155990, 187188, 233985, 280782, 311980, 467970, 561564, 701955, 935940, 1403910, 2807820]

約数ペア:

[(1, 2807820), (2, 1403910), (3, 935940), (4, 701955), (5, 561564), (6, 467970), (9, 311980), (10, 280782), (12, 233985), (15, 187188), (18, 155990), (19, 147780), (20, 140391), (30, 93594), (36, 77995), (38, 73890), (45, 62396), (57, 49260), (60, 46797), (76, 36945), (90, 31198), (95, 29556), (114, 24630), (171, 16420), (180, 15599), (190, 14778), (228, 12315), (285, 9852), (342, 8210), (380, 7389), (570, 4926), (684, 4105), (821, 3420), (855, 3284), (1140, 2463), (1642, 1710)]