51258420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 165110400

約数和(自身を除く): 113851980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 199, 212, 243, 265, 270, 318, 324, 398, 405, 477, 486, 530, 540, 597, 636, 795, 796, 810, 954, 972, 995, 1060, 1194, 1215, 1431, 1590, 1620, 1791, 1908, 1990, 2385, 2388, 2430, 2862, 2985, 3180, 3582, 3980, 4293, 4770, 4860, 5373, 5724, 5970, 7155, 7164, 8586, 8955, 9540, 10547, 10746, 11940, 12879, 14310, 16119, 17172, 17910, 21094, 21465, 21492, 25758, 26865, 28620, 31641, 32238, 35820, 42188, 42930, 48357, 51516, 52735, 53730, 63282, 64395, 64476, 80595, 85860, 94923, 96714, 105470, 107460, 126564, 128790, 158205, 161190, 189846, 193428, 210940, 241785, 257580, 284769, 316410, 322380, 379692, 474615, 483570, 569538, 632820, 854307, 949230, 967140, 1139076, 1423845, 1708614, 1898460, 2562921, 2847690, 3417228, 4271535, 5125842, 5695380, 8543070, 10251684, 12814605, 17086140, 25629210, 51258420]

約数ペア:

[(1, 51258420), (2, 25629210), (3, 17086140), (4, 12814605), (5, 10251684), (6, 8543070), (9, 5695380), (10, 5125842), (12, 4271535), (15, 3417228), (18, 2847690), (20, 2562921), (27, 1898460), (30, 1708614), (36, 1423845), (45, 1139076), (53, 967140), (54, 949230), (60, 854307), (81, 632820), (90, 569538), (106, 483570), (108, 474615), (135, 379692), (159, 322380), (162, 316410), (180, 284769), (199, 257580), (212, 241785), (243, 210940), (265, 193428), (270, 189846), (318, 161190), (324, 158205), (398, 128790), (405, 126564), (477, 107460), (486, 105470), (530, 96714), (540, 94923), (597, 85860), (636, 80595), (795, 64476), (796, 64395), (810, 63282), (954, 53730), (972, 52735), (995, 51516), (1060, 48357), (1194, 42930), (1215, 42188), (1431, 35820), (1590, 32238), (1620, 31641), (1791, 28620), (1908, 26865), (1990, 25758), (2385, 21492), (2388, 21465), (2430, 21094), (2862, 17910), (2985, 17172), (3180, 16119), (3582, 14310), (3980, 12879), (4293, 11940), (4770, 10746), (4860, 10547), (5373, 9540), (5724, 8955), (5970, 8586), (7155, 7164)]