51525760

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:606

約数の個数: 128

約数和(自身を含む): 144970560

約数和(自身を除く): 93444800

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 563, 572, 640, 704, 715, 832, 880, 1040, 1126, 1144, 1408, 1430, 1664, 1760, 2080, 2252, 2288, 2815, 2860, 3520, 4160, 4504, 4576, 5630, 5720, 6193, 7040, 7319, 8320, 9008, 9152, 11260, 11440, 12386, 14638, 18016, 18304, 22520, 22880, 24772, 29276, 30965, 36032, 36595, 45040, 45760, 49544, 58552, 61930, 72064, 73190, 80509, 90080, 91520, 99088, 117104, 123860, 146380, 161018, 180160, 198176, 234208, 247720, 292760, 322036, 360320, 396352, 402545, 468416, 495440, 585520, 644072, 792704, 805090, 936832, 990880, 1171040, 1288144, 1610180, 1981760, 2342080, 2576288, 3220360, 3963520, 4684160, 5152576, 6440720, 10305152, 12881440, 25762880, 51525760]

約数ペア:

[(1, 51525760), (2, 25762880), (4, 12881440), (5, 10305152), (8, 6440720), (10, 5152576), (11, 4684160), (13, 3963520), (16, 3220360), (20, 2576288), (22, 2342080), (26, 1981760), (32, 1610180), (40, 1288144), (44, 1171040), (52, 990880), (55, 936832), (64, 805090), (65, 792704), (80, 644072), (88, 585520), (104, 495440), (110, 468416), (128, 402545), (130, 396352), (143, 360320), (160, 322036), (176, 292760), (208, 247720), (220, 234208), (260, 198176), (286, 180160), (320, 161018), (352, 146380), (416, 123860), (440, 117104), (520, 99088), (563, 91520), (572, 90080), (640, 80509), (704, 73190), (715, 72064), (832, 61930), (880, 58552), (1040, 49544), (1126, 45760), (1144, 45040), (1408, 36595), (1430, 36032), (1664, 30965), (1760, 29276), (2080, 24772), (2252, 22880), (2288, 22520), (2815, 18304), (2860, 18016), (3520, 14638), (4160, 12386), (4504, 11440), (4576, 11260), (5630, 9152), (5720, 9008), (6193, 8320), (7040, 7319)]