1329502720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 240

約数和(自身を含む): 3953854080

約数和(自身を除く): 2624351360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 169, 182, 208, 224, 256, 260, 280, 320, 338, 364, 416, 439, 448, 455, 512, 520, 560, 640, 676, 728, 832, 845, 878, 896, 910, 1040, 1120, 1183, 1280, 1352, 1456, 1664, 1690, 1756, 1792, 1820, 2080, 2195, 2240, 2366, 2560, 2704, 2912, 3073, 3328, 3380, 3512, 3584, 3640, 4160, 4390, 4480, 4732, 5408, 5707, 5824, 5915, 6146, 6656, 6760, 7024, 7280, 8320, 8780, 8960, 9464, 10816, 11414, 11648, 11830, 12292, 13520, 14048, 14560, 15365, 16640, 17560, 17920, 18928, 21632, 22828, 23296, 23660, 24584, 27040, 28096, 28535, 29120, 30730, 33280, 35120, 37856, 39949, 43264, 45656, 46592, 47320, 49168, 54080, 56192, 57070, 58240, 61460, 70240, 74191, 75712, 79898, 86528, 91312, 94640, 98336, 108160, 112384, 114140, 116480, 122920, 140480, 148382, 151424, 159796, 182624, 189280, 196672, 199745, 216320, 224768, 228280, 232960, 245840, 280960, 296764, 302848, 319592, 365248, 370955, 378560, 393344, 399490, 432640, 456560, 491680, 519337, 561920, 593528, 605696, 639184, 730496, 741910, 757120, 786688, 798980, 913120, 983360, 1038674, 1123840, 1187056, 1278368, 1460992, 1483820, 1514240, 1573376, 1597960, 1826240, 1966720, 2077348, 2374112, 2556736, 2596685, 2921984, 2967640, 3028480, 3195920, 3652480, 3933440, 4154696, 4748224, 5113472, 5193370, 5935280, 6391840, 7304960, 7866880, 8309392, 9496448, 10226944, 10386740, 11870560, 12783680, 14609920, 16618784, 18992896, 20453888, 20773480, 23741120, 25567360, 33237568, 37985792, 41546960, 47482240, 51134720, 66475136, 83093920, 94964480, 102269440, 132950272, 166187840, 189928960, 265900544, 332375680, 664751360, 1329502720]

約数ペア:

[(1, 1329502720), (2, 664751360), (4, 332375680), (5, 265900544), (7, 189928960), (8, 166187840), (10, 132950272), (13, 102269440), (14, 94964480), (16, 83093920), (20, 66475136), (26, 51134720), (28, 47482240), (32, 41546960), (35, 37985792), (40, 33237568), (52, 25567360), (56, 23741120), (64, 20773480), (65, 20453888), (70, 18992896), (80, 16618784), (91, 14609920), (104, 12783680), (112, 11870560), (128, 10386740), (130, 10226944), (140, 9496448), (160, 8309392), (169, 7866880), (182, 7304960), (208, 6391840), (224, 5935280), (256, 5193370), (260, 5113472), (280, 4748224), (320, 4154696), (338, 3933440), (364, 3652480), (416, 3195920), (439, 3028480), (448, 2967640), (455, 2921984), (512, 2596685), (520, 2556736), (560, 2374112), (640, 2077348), (676, 1966720), (728, 1826240), (832, 1597960), (845, 1573376), (878, 1514240), (896, 1483820), (910, 1460992), (1040, 1278368), (1120, 1187056), (1183, 1123840), (1280, 1038674), (1352, 983360), (1456, 913120), (1664, 798980), (1690, 786688), (1756, 757120), (1792, 741910), (1820, 730496), (2080, 639184), (2195, 605696), (2240, 593528), (2366, 561920), (2560, 519337), (2704, 491680), (2912, 456560), (3073, 432640), (3328, 399490), (3380, 393344), (3512, 378560), (3584, 370955), (3640, 365248), (4160, 319592), (4390, 302848), (4480, 296764), (4732, 280960), (5408, 245840), (5707, 232960), (5824, 228280), (5915, 224768), (6146, 216320), (6656, 199745), (6760, 196672), (7024, 189280), (7280, 182624), (8320, 159796), (8780, 151424), (8960, 148382), (9464, 140480), (10816, 122920), (11414, 116480), (11648, 114140), (11830, 112384), (12292, 108160), (13520, 98336), (14048, 94640), (14560, 91312), (15365, 86528), (16640, 79898), (17560, 75712), (17920, 74191), (18928, 70240), (21632, 61460), (22828, 58240), (23296, 57070), (23660, 56192), (24584, 54080), (27040, 49168), (28096, 47320), (28535, 46592), (29120, 45656), (30730, 43264), (33280, 39949), (35120, 37856)]