681821280

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{3221}}^1$

素因数の和:3259

約数の個数: 288

約数和(自身を含む): 2776848480

約数和(自身を除く): 2095027200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3221, 3360, 3528, 3780, 3920, 4320, 4410, 4704, 5040, 5292, 5880, 6048, 6442, 6615, 7056, 7560, 7840, 8820, 9663, 10080, 10584, 11760, 12884, 13230, 14112, 15120, 16105, 17640, 19326, 21168, 22547, 23520, 25768, 26460, 28989, 30240, 32210, 35280, 38652, 42336, 45094, 48315, 51536, 52920, 57978, 64420, 67641, 70560, 77304, 86967, 90188, 96630, 103072, 105840, 112735, 115956, 128840, 135282, 144945, 154608, 157829, 173934, 180376, 193260, 202923, 211680, 225470, 231912, 257680, 270564, 289890, 309216, 315658, 338205, 347868, 360752, 386520, 405846, 434835, 450940, 463824, 473487, 515360, 541128, 579780, 608769, 631316, 676410, 695736, 721504, 773040, 789145, 811692, 869670, 901880, 927648, 946974, 1014615, 1082256, 1159560, 1217538, 1262632, 1352820, 1391472, 1420461, 1546080, 1578290, 1623384, 1739340, 1803760, 1893948, 2029230, 2164512, 2319120, 2367435, 2435076, 2525264, 2705640, 2782944, 2840922, 3043845, 3156580, 3246768, 3478680, 3607520, 3787896, 4058460, 4261383, 4638240, 4734870, 4870152, 5050528, 5411280, 5681844, 6087690, 6313160, 6493536, 6957360, 7102305, 7575792, 8116920, 8522766, 9469740, 9740304, 10822560, 11363688, 12175380, 12626320, 13914720, 14204610, 15151584, 16233840, 17045532, 18939480, 19480608, 21306915, 22727376, 24350760, 25252640, 28409220, 32467680, 34091064, 37878960, 42613830, 45454752, 48701520, 56818440, 68182128, 75757920, 85227660, 97403040, 113636880, 136364256, 170455320, 227273760, 340910640, 681821280]

約数ペア:

[(1, 681821280), (2, 340910640), (3, 227273760), (4, 170455320), (5, 136364256), (6, 113636880), (7, 97403040), (8, 85227660), (9, 75757920), (10, 68182128), (12, 56818440), (14, 48701520), (15, 45454752), (16, 42613830), (18, 37878960), (20, 34091064), (21, 32467680), (24, 28409220), (27, 25252640), (28, 24350760), (30, 22727376), (32, 21306915), (35, 19480608), (36, 18939480), (40, 17045532), (42, 16233840), (45, 15151584), (48, 14204610), (49, 13914720), (54, 12626320), (56, 12175380), (60, 11363688), (63, 10822560), (70, 9740304), (72, 9469740), (80, 8522766), (84, 8116920), (90, 7575792), (96, 7102305), (98, 6957360), (105, 6493536), (108, 6313160), (112, 6087690), (120, 5681844), (126, 5411280), (135, 5050528), (140, 4870152), (144, 4734870), (147, 4638240), (160, 4261383), (168, 4058460), (180, 3787896), (189, 3607520), (196, 3478680), (210, 3246768), (216, 3156580), (224, 3043845), (240, 2840922), (245, 2782944), (252, 2705640), (270, 2525264), (280, 2435076), (288, 2367435), (294, 2319120), (315, 2164512), (336, 2029230), (360, 1893948), (378, 1803760), (392, 1739340), (420, 1623384), (432, 1578290), (441, 1546080), (480, 1420461), (490, 1391472), (504, 1352820), (540, 1262632), (560, 1217538), (588, 1159560), (630, 1082256), (672, 1014615), (720, 946974), (735, 927648), (756, 901880), (784, 869670), (840, 811692), (864, 789145), (882, 773040), (945, 721504), (980, 695736), (1008, 676410), (1080, 631316), (1120, 608769), (1176, 579780), (1260, 541128), (1323, 515360), (1440, 473487), (1470, 463824), (1512, 450940), (1568, 434835), (1680, 405846), (1764, 386520), (1890, 360752), (1960, 347868), (2016, 338205), (2160, 315658), (2205, 309216), (2352, 289890), (2520, 270564), (2646, 257680), (2940, 231912), (3024, 225470), (3221, 211680), (3360, 202923), (3528, 193260), (3780, 180376), (3920, 173934), (4320, 157829), (4410, 154608), (4704, 144945), (5040, 135282), (5292, 128840), (5880, 115956), (6048, 112735), (6442, 105840), (6615, 103072), (7056, 96630), (7560, 90188), (7840, 86967), (8820, 77304), (9663, 70560), (10080, 67641), (10584, 64420), (11760, 57978), (12884, 52920), (13230, 51536), (14112, 48315), (15120, 45094), (16105, 42336), (17640, 38652), (19326, 35280), (21168, 32210), (22547, 30240), (23520, 28989), (25768, 26460)]