217001520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7351}}^1$

素因数の和:7411

約数の個数: 120

約数和(自身を含む): 746639712

約数和(自身を除く): 529638192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7351, 7380, 9840, 14702, 14760, 22053, 29404, 29520, 36755, 44106, 58808, 66159, 73510, 88212, 110265, 117616, 132318, 147020, 176424, 220530, 264636, 294040, 301391, 330795, 352848, 441060, 529272, 588080, 602782, 661590, 882120, 904173, 1058544, 1205564, 1323180, 1506955, 1764240, 1808346, 2411128, 2646360, 2712519, 3013910, 3616692, 4520865, 4822256, 5292720, 5425038, 6027820, 7233384, 9041730, 10850076, 12055640, 13562595, 14466768, 18083460, 21700152, 24111280, 27125190, 36166920, 43400304, 54250380, 72333840, 108500760, 217001520]

約数ペア:

[(1, 217001520), (2, 108500760), (3, 72333840), (4, 54250380), (5, 43400304), (6, 36166920), (8, 27125190), (9, 24111280), (10, 21700152), (12, 18083460), (15, 14466768), (16, 13562595), (18, 12055640), (20, 10850076), (24, 9041730), (30, 7233384), (36, 6027820), (40, 5425038), (41, 5292720), (45, 4822256), (48, 4520865), (60, 3616692), (72, 3013910), (80, 2712519), (82, 2646360), (90, 2411128), (120, 1808346), (123, 1764240), (144, 1506955), (164, 1323180), (180, 1205564), (205, 1058544), (240, 904173), (246, 882120), (328, 661590), (360, 602782), (369, 588080), (410, 529272), (492, 441060), (615, 352848), (656, 330795), (720, 301391), (738, 294040), (820, 264636), (984, 220530), (1230, 176424), (1476, 147020), (1640, 132318), (1845, 117616), (1968, 110265), (2460, 88212), (2952, 73510), (3280, 66159), (3690, 58808), (4920, 44106), (5904, 36755), (7351, 29520), (7380, 29404), (9840, 22053), (14702, 14760)]