1958903820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{5477}}^1$

素因数の和:7479

約数の個数: 72

約数和(自身を含む): 5946084144

約数和(自身を除く): 3987180324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1987, 3974, 5477, 5961, 7948, 9935, 10954, 11922, 16431, 17883, 19870, 21908, 23844, 27385, 29805, 32862, 35766, 39740, 49293, 54770, 59610, 65724, 71532, 82155, 89415, 98586, 109540, 119220, 164310, 178830, 197172, 246465, 328620, 357660, 492930, 985860, 10882799, 21765598, 32648397, 43531196, 54413995, 65296794, 97945191, 108827990, 130593588, 163241985, 195890382, 217655980, 326483970, 391780764, 489725955, 652967940, 979451910, 1958903820]

約数ペア:

[(1, 1958903820), (2, 979451910), (3, 652967940), (4, 489725955), (5, 391780764), (6, 326483970), (9, 217655980), (10, 195890382), (12, 163241985), (15, 130593588), (18, 108827990), (20, 97945191), (30, 65296794), (36, 54413995), (45, 43531196), (60, 32648397), (90, 21765598), (180, 10882799), (1987, 985860), (3974, 492930), (5477, 357660), (5961, 328620), (7948, 246465), (9935, 197172), (10954, 178830), (11922, 164310), (16431, 119220), (17883, 109540), (19870, 98586), (21908, 89415), (23844, 82155), (27385, 71532), (29805, 65724), (32862, 59610), (35766, 54770), (39740, 49293)]