280150488

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{18797}}^1$

素因数の和:18838

約数の個数: 80

約数和(自身を含む): 818840880

約数和(自身を除く): 538690392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 276, 324, 414, 552, 621, 648, 828, 1242, 1656, 1863, 2484, 3726, 4968, 7452, 14904, 18797, 37594, 56391, 75188, 112782, 150376, 169173, 225564, 338346, 432331, 451128, 507519, 676692, 864662, 1015038, 1296993, 1353384, 1522557, 1729324, 2030076, 2593986, 3045114, 3458648, 3890979, 4060152, 5187972, 6090228, 7781958, 10375944, 11672937, 12180456, 15563916, 23345874, 31127832, 35018811, 46691748, 70037622, 93383496, 140075244, 280150488]

約数ペア:

[(1, 280150488), (2, 140075244), (3, 93383496), (4, 70037622), (6, 46691748), (8, 35018811), (9, 31127832), (12, 23345874), (18, 15563916), (23, 12180456), (24, 11672937), (27, 10375944), (36, 7781958), (46, 6090228), (54, 5187972), (69, 4060152), (72, 3890979), (81, 3458648), (92, 3045114), (108, 2593986), (138, 2030076), (162, 1729324), (184, 1522557), (207, 1353384), (216, 1296993), (276, 1015038), (324, 864662), (414, 676692), (552, 507519), (621, 451128), (648, 432331), (828, 338346), (1242, 225564), (1656, 169173), (1863, 150376), (2484, 112782), (3726, 75188), (4968, 56391), (7452, 37594), (14904, 18797)]