520015720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{1021}}^1$

素因数の和:1163

約数の個数: 128

約数和(自身を含む): 1430472960

約数和(自身を除く): 910457240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 107, 119, 136, 140, 170, 214, 238, 280, 340, 428, 476, 535, 595, 680, 749, 856, 952, 1021, 1070, 1190, 1498, 1819, 2042, 2140, 2380, 2996, 3638, 3745, 4084, 4280, 4760, 5105, 5992, 7147, 7276, 7490, 8168, 9095, 10210, 12733, 14294, 14552, 14980, 17357, 18190, 20420, 25466, 28588, 29960, 34714, 35735, 36380, 40840, 50932, 57176, 63665, 69428, 71470, 72760, 86785, 101864, 109247, 121499, 127330, 138856, 142940, 173570, 218494, 242998, 254660, 285880, 347140, 436988, 485996, 509320, 546235, 607495, 694280, 764729, 873976, 971992, 1092470, 1214990, 1529458, 1857199, 2184940, 2429980, 3058916, 3714398, 3823645, 4369880, 4859960, 6117832, 7428796, 7647290, 9285995, 13000393, 14857592, 15294580, 18571990, 26000786, 30589160, 37143980, 52001572, 65001965, 74287960, 104003144, 130003930, 260007860, 520015720]

約数ペア:

[(1, 520015720), (2, 260007860), (4, 130003930), (5, 104003144), (7, 74287960), (8, 65001965), (10, 52001572), (14, 37143980), (17, 30589160), (20, 26000786), (28, 18571990), (34, 15294580), (35, 14857592), (40, 13000393), (56, 9285995), (68, 7647290), (70, 7428796), (85, 6117832), (107, 4859960), (119, 4369880), (136, 3823645), (140, 3714398), (170, 3058916), (214, 2429980), (238, 2184940), (280, 1857199), (340, 1529458), (428, 1214990), (476, 1092470), (535, 971992), (595, 873976), (680, 764729), (749, 694280), (856, 607495), (952, 546235), (1021, 509320), (1070, 485996), (1190, 436988), (1498, 347140), (1819, 285880), (2042, 254660), (2140, 242998), (2380, 218494), (2996, 173570), (3638, 142940), (3745, 138856), (4084, 127330), (4280, 121499), (4760, 109247), (5105, 101864), (5992, 86785), (7147, 72760), (7276, 71470), (7490, 69428), (8168, 63665), (9095, 57176), (10210, 50932), (12733, 40840), (14294, 36380), (14552, 35735), (14980, 34714), (17357, 29960), (18190, 28588), (20420, 25466)]