81219888

素因数分解:

$2^4\times 3^3\times {\mathrm{229}}^1\times {\mathrm{821}}^1$

素因数の和:1067

約数の個数: 80

約数和(自身を含む): 234434400

約数和(自身を除く): 153214512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 229, 432, 458, 687, 821, 916, 1374, 1642, 1832, 2061, 2463, 2748, 3284, 3664, 4122, 4926, 5496, 6183, 6568, 7389, 8244, 9852, 10992, 12366, 13136, 14778, 16488, 19704, 22167, 24732, 29556, 32976, 39408, 44334, 49464, 59112, 88668, 98928, 118224, 177336, 188009, 354672, 376018, 564027, 752036, 1128054, 1504072, 1692081, 2256108, 3008144, 3384162, 4512216, 5076243, 6768324, 9024432, 10152486, 13536648, 20304972, 27073296, 40609944, 81219888]

約数ペア:

[(1, 81219888), (2, 40609944), (3, 27073296), (4, 20304972), (6, 13536648), (8, 10152486), (9, 9024432), (12, 6768324), (16, 5076243), (18, 4512216), (24, 3384162), (27, 3008144), (36, 2256108), (48, 1692081), (54, 1504072), (72, 1128054), (108, 752036), (144, 564027), (216, 376018), (229, 354672), (432, 188009), (458, 177336), (687, 118224), (821, 98928), (916, 88668), (1374, 59112), (1642, 49464), (1832, 44334), (2061, 39408), (2463, 32976), (2748, 29556), (3284, 24732), (3664, 22167), (4122, 19704), (4926, 16488), (5496, 14778), (6183, 13136), (6568, 12366), (7389, 10992), (8244, 9852)]