664751360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:493

約数の個数: 216

約数和(自身を含む): 1974994560

約数和(自身を除く): 1310243200

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, 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, 2704, 2912, 3073, 3328, 3380, 3512, 3640, 4160, 4390, 4480, 4732, 5408, 5707, 5824, 5915, 6146, 6760, 7024, 7280, 8320, 8780, 8960, 9464, 10816, 11414, 11648, 11830, 12292, 13520, 14048, 14560, 15365, 16640, 17560, 18928, 21632, 22828, 23296, 23660, 24584, 27040, 28096, 28535, 29120, 30730, 35120, 37856, 39949, 43264, 45656, 47320, 49168, 54080, 56192, 57070, 58240, 61460, 70240, 74191, 75712, 79898, 91312, 94640, 98336, 108160, 112384, 114140, 116480, 122920, 140480, 148382, 151424, 159796, 182624, 189280, 196672, 199745, 216320, 228280, 245840, 280960, 296764, 302848, 319592, 365248, 370955, 378560, 393344, 399490, 456560, 491680, 519337, 561920, 593528, 639184, 730496, 741910, 757120, 786688, 798980, 913120, 983360, 1038674, 1187056, 1278368, 1460992, 1483820, 1514240, 1597960, 1826240, 1966720, 2077348, 2374112, 2556736, 2596685, 2967640, 3195920, 3652480, 3933440, 4154696, 4748224, 5113472, 5193370, 5935280, 6391840, 7304960, 8309392, 9496448, 10226944, 10386740, 11870560, 12783680, 16618784, 18992896, 20773480, 23741120, 25567360, 33237568, 41546960, 47482240, 51134720, 66475136, 83093920, 94964480, 132950272, 166187840, 332375680, 664751360]

約数ペア:

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