8431280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 120

約数和(自身を含む): 23550576

約数和(自身を除く): 15119296

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 67, 80, 88, 104, 110, 121, 130, 134, 143, 176, 208, 220, 242, 260, 268, 286, 335, 440, 484, 520, 536, 572, 605, 670, 715, 737, 871, 880, 968, 1040, 1072, 1144, 1210, 1340, 1430, 1474, 1573, 1742, 1936, 2288, 2420, 2680, 2860, 2948, 3146, 3484, 3685, 4355, 4840, 5360, 5720, 5896, 6292, 6968, 7370, 7865, 8107, 8710, 9581, 9680, 11440, 11792, 12584, 13936, 14740, 15730, 16214, 17420, 19162, 25168, 29480, 31460, 32428, 34840, 38324, 40535, 47905, 58960, 62920, 64856, 69680, 76648, 81070, 95810, 105391, 125840, 129712, 153296, 162140, 191620, 210782, 324280, 383240, 421564, 526955, 648560, 766480, 843128, 1053910, 1686256, 2107820, 4215640, 8431280]

約数ペア:

[(1, 8431280), (2, 4215640), (4, 2107820), (5, 1686256), (8, 1053910), (10, 843128), (11, 766480), (13, 648560), (16, 526955), (20, 421564), (22, 383240), (26, 324280), (40, 210782), (44, 191620), (52, 162140), (55, 153296), (65, 129712), (67, 125840), (80, 105391), (88, 95810), (104, 81070), (110, 76648), (121, 69680), (130, 64856), (134, 62920), (143, 58960), (176, 47905), (208, 40535), (220, 38324), (242, 34840), (260, 32428), (268, 31460), (286, 29480), (335, 25168), (440, 19162), (484, 17420), (520, 16214), (536, 15730), (572, 14740), (605, 13936), (670, 12584), (715, 11792), (737, 11440), (871, 9680), (880, 9581), (968, 8710), (1040, 8107), (1072, 7865), (1144, 7370), (1210, 6968), (1340, 6292), (1430, 5896), (1474, 5720), (1573, 5360), (1742, 4840), (1936, 4355), (2288, 3685), (2420, 3484), (2680, 3146), (2860, 2948)]