85680140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:471

約数の個数: 96

約数和(自身を含む): 223534080

約数和(自身を除く): 137853940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 179, 182, 260, 263, 358, 364, 455, 526, 716, 895, 910, 1052, 1253, 1315, 1790, 1820, 1841, 2327, 2506, 2630, 3419, 3580, 3682, 4654, 5012, 5260, 6265, 6838, 7364, 9205, 9308, 11635, 12530, 13676, 16289, 17095, 18410, 23270, 23933, 25060, 32578, 34190, 36820, 46540, 47077, 47866, 65156, 68380, 81445, 94154, 95732, 119665, 162890, 188308, 235385, 239330, 325780, 329539, 470770, 478660, 612001, 659078, 941540, 1224002, 1318156, 1647695, 2448004, 3060005, 3295390, 4284007, 6120010, 6590780, 8568014, 12240020, 17136028, 21420035, 42840070, 85680140]

約数ペア:

[(1, 85680140), (2, 42840070), (4, 21420035), (5, 17136028), (7, 12240020), (10, 8568014), (13, 6590780), (14, 6120010), (20, 4284007), (26, 3295390), (28, 3060005), (35, 2448004), (52, 1647695), (65, 1318156), (70, 1224002), (91, 941540), (130, 659078), (140, 612001), (179, 478660), (182, 470770), (260, 329539), (263, 325780), (358, 239330), (364, 235385), (455, 188308), (526, 162890), (716, 119665), (895, 95732), (910, 94154), (1052, 81445), (1253, 68380), (1315, 65156), (1790, 47866), (1820, 47077), (1841, 46540), (2327, 36820), (2506, 34190), (2630, 32578), (3419, 25060), (3580, 23933), (3682, 23270), (4654, 18410), (5012, 17095), (5260, 16289), (6265, 13676), (6838, 12530), (7364, 11635), (9205, 9308)]