31905720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1151}}^1$

素因数の和:1186

約数の個数: 192

約数和(自身を含む): 129392640

約数和(自身を除く): 97486920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 770, 792, 840, 924, 990, 1151, 1155, 1260, 1320, 1386, 1540, 1848, 1980, 2302, 2310, 2520, 2772, 3080, 3453, 3465, 3960, 4604, 4620, 5544, 5755, 6906, 6930, 8057, 9208, 9240, 10359, 11510, 12661, 13812, 13860, 16114, 17265, 20718, 23020, 24171, 25322, 27624, 27720, 32228, 34530, 37983, 40285, 41436, 46040, 48342, 50644, 51795, 63305, 64456, 69060, 72513, 75966, 80570, 82872, 88627, 96684, 101288, 103590, 113949, 120855, 126610, 138120, 145026, 151932, 161140, 177254, 189915, 193368, 207180, 227898, 241710, 253220, 265881, 290052, 303864, 322280, 354508, 362565, 379830, 414360, 443135, 455796, 483420, 506440, 531762, 569745, 580104, 709016, 725130, 759660, 797643, 886270, 911592, 966840, 1063524, 1139490, 1329405, 1450260, 1519320, 1595286, 1772540, 2127048, 2278980, 2658810, 2900520, 3190572, 3545080, 3988215, 4557960, 5317620, 6381144, 7976430, 10635240, 15952860, 31905720]

約数ペア:

[(1, 31905720), (2, 15952860), (3, 10635240), (4, 7976430), (5, 6381144), (6, 5317620), (7, 4557960), (8, 3988215), (9, 3545080), (10, 3190572), (11, 2900520), (12, 2658810), (14, 2278980), (15, 2127048), (18, 1772540), (20, 1595286), (21, 1519320), (22, 1450260), (24, 1329405), (28, 1139490), (30, 1063524), (33, 966840), (35, 911592), (36, 886270), (40, 797643), (42, 759660), (44, 725130), (45, 709016), (55, 580104), (56, 569745), (60, 531762), (63, 506440), (66, 483420), (70, 455796), (72, 443135), (77, 414360), (84, 379830), (88, 362565), (90, 354508), (99, 322280), (105, 303864), (110, 290052), (120, 265881), (126, 253220), (132, 241710), (140, 227898), (154, 207180), (165, 193368), (168, 189915), (180, 177254), (198, 161140), (210, 151932), (220, 145026), (231, 138120), (252, 126610), (264, 120855), (280, 113949), (308, 103590), (315, 101288), (330, 96684), (360, 88627), (385, 82872), (396, 80570), (420, 75966), (440, 72513), (462, 69060), (495, 64456), (504, 63305), (616, 51795), (630, 50644), (660, 48342), (693, 46040), (770, 41436), (792, 40285), (840, 37983), (924, 34530), (990, 32228), (1151, 27720), (1155, 27624), (1260, 25322), (1320, 24171), (1386, 23020), (1540, 20718), (1848, 17265), (1980, 16114), (2302, 13860), (2310, 13812), (2520, 12661), (2772, 11510), (3080, 10359), (3453, 9240), (3465, 9208), (3960, 8057), (4604, 6930), (4620, 6906), (5544, 5755)]