81281448

素因数分解:

$2^3\times 3^3\times {\mathrm{23}}^1\times {\mathrm{16361}}^1$

素因数の和:16399

約数の個数: 64

約数和(自身を含む): 235612800

約数和(自身を除く): 154331352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 92, 108, 138, 184, 207, 216, 276, 414, 552, 621, 828, 1242, 1656, 2484, 4968, 16361, 32722, 49083, 65444, 98166, 130888, 147249, 196332, 294498, 376303, 392664, 441747, 588996, 752606, 883494, 1128909, 1177992, 1505212, 1766988, 2257818, 3010424, 3386727, 3533976, 4515636, 6773454, 9031272, 10160181, 13546908, 20320362, 27093816, 40640724, 81281448]

約数ペア:

[(1, 81281448), (2, 40640724), (3, 27093816), (4, 20320362), (6, 13546908), (8, 10160181), (9, 9031272), (12, 6773454), (18, 4515636), (23, 3533976), (24, 3386727), (27, 3010424), (36, 2257818), (46, 1766988), (54, 1505212), (69, 1177992), (72, 1128909), (92, 883494), (108, 752606), (138, 588996), (184, 441747), (207, 392664), (216, 376303), (276, 294498), (414, 196332), (552, 147249), (621, 130888), (828, 98166), (1242, 65444), (1656, 49083), (2484, 32722), (4968, 16361)]