402020640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{39883}}^1$

素因数の和:39911

約数の個数: 144

約数和(自身を含む): 1567919808

約数和(自身を除く): 1165899168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 39883, 79766, 119649, 159532, 199415, 239298, 279181, 319064, 358947, 398830, 478596, 558362, 598245, 638128, 717894, 797660, 837543, 957192, 1116724, 1196490, 1276256, 1395905, 1435788, 1595320, 1675086, 1794735, 1914384, 2233448, 2392980, 2512629, 2791810, 2871576, 3190640, 3350172, 3589470, 3828768, 4187715, 4466896, 4785960, 5025258, 5583620, 5743152, 6381280, 6700344, 7178940, 8375430, 8933792, 9571920, 10050516, 11167240, 11486304, 12563145, 13400688, 14357880, 16750860, 19143840, 20101032, 22334480, 25126290, 26801376, 28715760, 33501720, 40202064, 44668960, 50252580, 57431520, 67003440, 80404128, 100505160, 134006880, 201010320, 402020640]

約数ペア:

[(1, 402020640), (2, 201010320), (3, 134006880), (4, 100505160), (5, 80404128), (6, 67003440), (7, 57431520), (8, 50252580), (9, 44668960), (10, 40202064), (12, 33501720), (14, 28715760), (15, 26801376), (16, 25126290), (18, 22334480), (20, 20101032), (21, 19143840), (24, 16750860), (28, 14357880), (30, 13400688), (32, 12563145), (35, 11486304), (36, 11167240), (40, 10050516), (42, 9571920), (45, 8933792), (48, 8375430), (56, 7178940), (60, 6700344), (63, 6381280), (70, 5743152), (72, 5583620), (80, 5025258), (84, 4785960), (90, 4466896), (96, 4187715), (105, 3828768), (112, 3589470), (120, 3350172), (126, 3190640), (140, 2871576), (144, 2791810), (160, 2512629), (168, 2392980), (180, 2233448), (210, 1914384), (224, 1794735), (240, 1675086), (252, 1595320), (280, 1435788), (288, 1395905), (315, 1276256), (336, 1196490), (360, 1116724), (420, 957192), (480, 837543), (504, 797660), (560, 717894), (630, 638128), (672, 598245), (720, 558362), (840, 478596), (1008, 398830), (1120, 358947), (1260, 319064), (1440, 279181), (1680, 239298), (2016, 199415), (2520, 159532), (3360, 119649), (5040, 79766), (10080, 39883)]