518770720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{563}}^1$

素因数の和:1034

約数の個数: 96

約数和(自身を含む): 1325201472

約数和(自身を除く): 806430752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 443, 520, 563, 886, 1040, 1126, 1772, 2080, 2215, 2252, 2815, 3544, 4430, 4504, 5630, 5759, 7088, 7319, 8860, 9008, 11260, 11518, 14176, 14638, 17720, 18016, 22520, 23036, 28795, 29276, 35440, 36595, 45040, 46072, 57590, 58552, 70880, 73190, 90080, 92144, 115180, 117104, 146380, 184288, 230360, 234208, 249409, 292760, 460720, 498818, 585520, 921440, 997636, 1171040, 1247045, 1995272, 2494090, 3242317, 3990544, 4988180, 6484634, 7981088, 9976360, 12969268, 16211585, 19952720, 25938536, 32423170, 39905440, 51877072, 64846340, 103754144, 129692680, 259385360, 518770720]

約数ペア:

[(1, 518770720), (2, 259385360), (4, 129692680), (5, 103754144), (8, 64846340), (10, 51877072), (13, 39905440), (16, 32423170), (20, 25938536), (26, 19952720), (32, 16211585), (40, 12969268), (52, 9976360), (65, 7981088), (80, 6484634), (104, 4988180), (130, 3990544), (160, 3242317), (208, 2494090), (260, 1995272), (416, 1247045), (443, 1171040), (520, 997636), (563, 921440), (886, 585520), (1040, 498818), (1126, 460720), (1772, 292760), (2080, 249409), (2215, 234208), (2252, 230360), (2815, 184288), (3544, 146380), (4430, 117104), (4504, 115180), (5630, 92144), (5759, 90080), (7088, 73190), (7319, 70880), (8860, 58552), (9008, 57590), (11260, 46072), (11518, 45040), (14176, 36595), (14638, 35440), (17720, 29276), (18016, 28795), (22520, 23036)]