204078840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1913}}^1$

素因数の和:2061

約数の個数: 128

約数和(自身を含む): 705576960

約数和(自身を除く): 501498120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1905, 1913, 2540, 2667, 3048, 3556, 3810, 3826, 4445, 5080, 5334, 5739, 7112, 7620, 7652, 8890, 9565, 10668, 11478, 13335, 13391, 15240, 15304, 17780, 19130, 21336, 22956, 26670, 26782, 28695, 35560, 38260, 40173, 45912, 53340, 53564, 57390, 66955, 76520, 80346, 106680, 107128, 114780, 133910, 160692, 200865, 229560, 242951, 267820, 321384, 401730, 485902, 535640, 728853, 803460, 971804, 1214755, 1457706, 1606920, 1700657, 1943608, 2429510, 2915412, 3401314, 3644265, 4859020, 5101971, 5830824, 6802628, 7288530, 8503285, 9718040, 10203942, 13605256, 14577060, 17006570, 20407884, 25509855, 29154120, 34013140, 40815768, 51019710, 68026280, 102039420, 204078840]

約数ペア:

[(1, 204078840), (2, 102039420), (3, 68026280), (4, 51019710), (5, 40815768), (6, 34013140), (7, 29154120), (8, 25509855), (10, 20407884), (12, 17006570), (14, 14577060), (15, 13605256), (20, 10203942), (21, 9718040), (24, 8503285), (28, 7288530), (30, 6802628), (35, 5830824), (40, 5101971), (42, 4859020), (56, 3644265), (60, 3401314), (70, 2915412), (84, 2429510), (105, 1943608), (120, 1700657), (127, 1606920), (140, 1457706), (168, 1214755), (210, 971804), (254, 803460), (280, 728853), (381, 535640), (420, 485902), (508, 401730), (635, 321384), (762, 267820), (840, 242951), (889, 229560), (1016, 200865), (1270, 160692), (1524, 133910), (1778, 114780), (1905, 107128), (1913, 106680), (2540, 80346), (2667, 76520), (3048, 66955), (3556, 57390), (3810, 53564), (3826, 53340), (4445, 45912), (5080, 40173), (5334, 38260), (5739, 35560), (7112, 28695), (7620, 26782), (7652, 26670), (8890, 22956), (9565, 21336), (10668, 19130), (11478, 17780), (13335, 15304), (13391, 15240)]