1321162920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15887}}^1$

素因数の和:15925

約数の個数: 256

約数和(自身を含む): 5490892800

約数和(自身を除く): 4169729880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 27, 28, 30, 33, 35, 36, 40, 42, 44, 45, 54, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 108, 110, 120, 126, 132, 135, 140, 154, 165, 168, 180, 189, 198, 210, 216, 220, 231, 252, 264, 270, 280, 297, 308, 315, 330, 360, 378, 385, 396, 420, 440, 462, 495, 504, 540, 594, 616, 630, 660, 693, 756, 770, 792, 840, 924, 945, 990, 1080, 1155, 1188, 1260, 1320, 1386, 1485, 1512, 1540, 1848, 1890, 1980, 2079, 2310, 2376, 2520, 2772, 2970, 3080, 3465, 3780, 3960, 4158, 4620, 5544, 5940, 6930, 7560, 8316, 9240, 10395, 11880, 13860, 15887, 16632, 20790, 27720, 31774, 41580, 47661, 63548, 79435, 83160, 95322, 111209, 127096, 142983, 158870, 174757, 190644, 222418, 238305, 285966, 317740, 333627, 349514, 381288, 428949, 444836, 476610, 524271, 556045, 571932, 635480, 667254, 699028, 714915, 857898, 873785, 889672, 953220, 1000881, 1048542, 1112090, 1143864, 1223299, 1334508, 1398056, 1429830, 1572813, 1668135, 1715796, 1747570, 1906440, 2001762, 2097084, 2144745, 2224180, 2446598, 2621355, 2669016, 2859660, 3002643, 3145626, 3336270, 3431592, 3495140, 3669897, 4003524, 4194168, 4289490, 4448360, 4718439, 4893196, 5004405, 5242710, 5719320, 6005286, 6116495, 6291252, 6672540, 6990280, 7339794, 7864065, 8007048, 8578980, 9436878, 9786392, 10008810, 10485420, 11009691, 12010572, 12232990, 12582504, 13345080, 14679588, 15013215, 15728130, 17157960, 18349485, 18873756, 20017620, 20970840, 22019382, 23592195, 24021144, 24465980, 29359176, 30026430, 31456260, 33029073, 36698970, 37747512, 40035240, 44038764, 47184390, 48931960, 55048455, 60052860, 62912520, 66058146, 73397940, 88077528, 94368780, 110096910, 120105720, 132116292, 146795880, 165145365, 188737560, 220193820, 264232584, 330290730, 440387640, 660581460, 1321162920]

約数ペア:

[(1, 1321162920), (2, 660581460), (3, 440387640), (4, 330290730), (5, 264232584), (6, 220193820), (7, 188737560), (8, 165145365), (9, 146795880), (10, 132116292), (11, 120105720), (12, 110096910), (14, 94368780), (15, 88077528), (18, 73397940), (20, 66058146), (21, 62912520), (22, 60052860), (24, 55048455), (27, 48931960), (28, 47184390), (30, 44038764), (33, 40035240), (35, 37747512), (36, 36698970), (40, 33029073), (42, 31456260), (44, 30026430), (45, 29359176), (54, 24465980), (55, 24021144), (56, 23592195), (60, 22019382), (63, 20970840), (66, 20017620), (70, 18873756), (72, 18349485), (77, 17157960), (84, 15728130), (88, 15013215), (90, 14679588), (99, 13345080), (105, 12582504), (108, 12232990), (110, 12010572), (120, 11009691), (126, 10485420), (132, 10008810), (135, 9786392), (140, 9436878), (154, 8578980), (165, 8007048), (168, 7864065), (180, 7339794), (189, 6990280), (198, 6672540), (210, 6291252), (216, 6116495), (220, 6005286), (231, 5719320), (252, 5242710), (264, 5004405), (270, 4893196), (280, 4718439), (297, 4448360), (308, 4289490), (315, 4194168), (330, 4003524), (360, 3669897), (378, 3495140), (385, 3431592), (396, 3336270), (420, 3145626), (440, 3002643), (462, 2859660), (495, 2669016), (504, 2621355), (540, 2446598), (594, 2224180), (616, 2144745), (630, 2097084), (660, 2001762), (693, 1906440), (756, 1747570), (770, 1715796), (792, 1668135), (840, 1572813), (924, 1429830), (945, 1398056), (990, 1334508), (1080, 1223299), (1155, 1143864), (1188, 1112090), (1260, 1048542), (1320, 1000881), (1386, 953220), (1485, 889672), (1512, 873785), (1540, 857898), (1848, 714915), (1890, 699028), (1980, 667254), (2079, 635480), (2310, 571932), (2376, 556045), (2520, 524271), (2772, 476610), (2970, 444836), (3080, 428949), (3465, 381288), (3780, 349514), (3960, 333627), (4158, 317740), (4620, 285966), (5544, 238305), (5940, 222418), (6930, 190644), (7560, 174757), (8316, 158870), (9240, 142983), (10395, 127096), (11880, 111209), (13860, 95322), (15887, 83160), (16632, 79435), (20790, 63548), (27720, 47661), (31774, 41580)]