660860480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 168

約数和(自身を含む): 1864425024

約数和(自身を除く): 1203564544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 307, 310, 320, 434, 448, 496, 560, 614, 620, 868, 961, 992, 1085, 1120, 1228, 1240, 1535, 1736, 1922, 1984, 2149, 2170, 2240, 2456, 2480, 3070, 3472, 3844, 4298, 4340, 4805, 4912, 4960, 6140, 6727, 6944, 7688, 8596, 8680, 9517, 9610, 9824, 9920, 10745, 12280, 13454, 13888, 15376, 17192, 17360, 19034, 19220, 19648, 21490, 24560, 26908, 30752, 33635, 34384, 34720, 38068, 38440, 42980, 47585, 49120, 53816, 61504, 66619, 67270, 68768, 69440, 76136, 76880, 85960, 95170, 98240, 107632, 133238, 134540, 137536, 152272, 153760, 171920, 190340, 215264, 266476, 269080, 295027, 304544, 307520, 333095, 343840, 380680, 430528, 532952, 538160, 590054, 609088, 666190, 687680, 761360, 1065904, 1076320, 1180108, 1332380, 1475135, 1522720, 2065189, 2131808, 2152640, 2360216, 2664760, 2950270, 3045440, 4130378, 4263616, 4720432, 5329520, 5900540, 8260756, 9440864, 10325945, 10659040, 11801080, 16521512, 18881728, 20651890, 21318080, 23602160, 33043024, 41303780, 47204320, 66086048, 82607560, 94408640, 132172096, 165215120, 330430240, 660860480]

約数ペア:

[(1, 660860480), (2, 330430240), (4, 165215120), (5, 132172096), (7, 94408640), (8, 82607560), (10, 66086048), (14, 47204320), (16, 41303780), (20, 33043024), (28, 23602160), (31, 21318080), (32, 20651890), (35, 18881728), (40, 16521512), (56, 11801080), (62, 10659040), (64, 10325945), (70, 9440864), (80, 8260756), (112, 5900540), (124, 5329520), (140, 4720432), (155, 4263616), (160, 4130378), (217, 3045440), (224, 2950270), (248, 2664760), (280, 2360216), (307, 2152640), (310, 2131808), (320, 2065189), (434, 1522720), (448, 1475135), (496, 1332380), (560, 1180108), (614, 1076320), (620, 1065904), (868, 761360), (961, 687680), (992, 666190), (1085, 609088), (1120, 590054), (1228, 538160), (1240, 532952), (1535, 430528), (1736, 380680), (1922, 343840), (1984, 333095), (2149, 307520), (2170, 304544), (2240, 295027), (2456, 269080), (2480, 266476), (3070, 215264), (3472, 190340), (3844, 171920), (4298, 153760), (4340, 152272), (4805, 137536), (4912, 134540), (4960, 133238), (6140, 107632), (6727, 98240), (6944, 95170), (7688, 85960), (8596, 76880), (8680, 76136), (9517, 69440), (9610, 68768), (9824, 67270), (9920, 66619), (10745, 61504), (12280, 53816), (13454, 49120), (13888, 47585), (15376, 42980), (17192, 38440), (17360, 38068), (19034, 34720), (19220, 34384), (19648, 33635), (21490, 30752), (24560, 26908)]