128611.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5851}}^1$

素因数の和:5907

約数の個数: 72

約数和(自身を含む): 134198064

約数和(自身を除く): 91017684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 5851, 7380, 11702, 17553, 23404, 29255, 35106, 52659, 58510, 70212, 87765, 105318, 117020, 175530, 210636, 239891, 263295, 351060, 479782, 526590, 719673, 959564, 1053180, 1199455, 1439346, 2159019, 2398910, 2878692, 3598365, 4318038, 4797820, 7196730, 8636076, 10795095, 14393460, 21590190, 43180380]

約数ペア:

[(1, 43180380), (2, 21590190), (3, 14393460), (4, 10795095), (5, 8636076), (6, 7196730), (9, 4797820), (10, 4318038), (12, 3598365), (15, 2878692), (18, 2398910), (20, 2159019), (30, 1439346), (36, 1199455), (41, 1053180), (45, 959564), (60, 719673), (82, 526590), (90, 479782), (123, 351060), (164, 263295), (180, 239891), (205, 210636), (246, 175530), (369, 117020), (410, 105318), (492, 87765), (615, 70212), (738, 58510), (820, 52659), (1230, 35106), (1476, 29255), (1845, 23404), (2460, 17553), (3690, 11702), (5851, 7380)]