131155640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 128

約数和(自身を含む): 372556800

約数和(自身を除く): 241401160

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 97, 110, 140, 154, 194, 220, 280, 308, 385, 388, 439, 440, 485, 616, 679, 770, 776, 878, 970, 1067, 1358, 1540, 1756, 1940, 2134, 2195, 2716, 3073, 3080, 3395, 3512, 3880, 4268, 4390, 4829, 5335, 5432, 6146, 6790, 7469, 8536, 8780, 9658, 10670, 12292, 13580, 14938, 15365, 17560, 19316, 21340, 24145, 24584, 27160, 29876, 30730, 33803, 37345, 38632, 42583, 42680, 48290, 59752, 61460, 67606, 74690, 85166, 96580, 122920, 135212, 149380, 169015, 170332, 193160, 212915, 270424, 298081, 298760, 338030, 340664, 425830, 468413, 596162, 676060, 851660, 936826, 1192324, 1352120, 1490405, 1703320, 1873652, 2342065, 2384648, 2980810, 3278891, 3747304, 4684130, 5961620, 6557782, 9368260, 11923240, 13115564, 16394455, 18736520, 26231128, 32788910, 65577820, 131155640]

約数ペア:

[(1, 131155640), (2, 65577820), (4, 32788910), (5, 26231128), (7, 18736520), (8, 16394455), (10, 13115564), (11, 11923240), (14, 9368260), (20, 6557782), (22, 5961620), (28, 4684130), (35, 3747304), (40, 3278891), (44, 2980810), (55, 2384648), (56, 2342065), (70, 1873652), (77, 1703320), (88, 1490405), (97, 1352120), (110, 1192324), (140, 936826), (154, 851660), (194, 676060), (220, 596162), (280, 468413), (308, 425830), (385, 340664), (388, 338030), (439, 298760), (440, 298081), (485, 270424), (616, 212915), (679, 193160), (770, 170332), (776, 169015), (878, 149380), (970, 135212), (1067, 122920), (1358, 96580), (1540, 85166), (1756, 74690), (1940, 67606), (2134, 61460), (2195, 59752), (2716, 48290), (3073, 42680), (3080, 42583), (3395, 38632), (3512, 37345), (3880, 33803), (4268, 30730), (4390, 29876), (4829, 27160), (5335, 24584), (5432, 24145), (6146, 21340), (6790, 19316), (7469, 17560), (8536, 15365), (8780, 14938), (9658, 13580), (10670, 12292)]