81220896

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{14843}}^1$

素因数の和:14878

約数の個数: 72

約数和(自身を含む): 243144720

約数和(自身を除く): 161923824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 14843, 29686, 44529, 59372, 89058, 118744, 133587, 178116, 237488, 267174, 282017, 356232, 474976, 534348, 564034, 712464, 846051, 1068696, 1128068, 1424928, 1692102, 2137392, 2256136, 2538153, 3384204, 4274784, 4512272, 5076306, 6768408, 9024544, 10152612, 13536816, 20305224, 27073632, 40610448, 81220896]

約数ペア:

[(1, 81220896), (2, 40610448), (3, 27073632), (4, 20305224), (6, 13536816), (8, 10152612), (9, 9024544), (12, 6768408), (16, 5076306), (18, 4512272), (19, 4274784), (24, 3384204), (32, 2538153), (36, 2256136), (38, 2137392), (48, 1692102), (57, 1424928), (72, 1128068), (76, 1068696), (96, 846051), (114, 712464), (144, 564034), (152, 534348), (171, 474976), (228, 356232), (288, 282017), (304, 267174), (342, 237488), (456, 178116), (608, 133587), (684, 118744), (912, 89058), (1368, 59372), (1824, 44529), (2736, 29686), (5472, 14843)]