6440720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 17623872

約数和(自身を除く): 11183152

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 563, 572, 715, 880, 1040, 1126, 1144, 1430, 2252, 2288, 2815, 2860, 4504, 5630, 5720, 6193, 7319, 9008, 11260, 11440, 12386, 14638, 22520, 24772, 29276, 30965, 36595, 45040, 49544, 58552, 61930, 73190, 80509, 99088, 117104, 123860, 146380, 161018, 247720, 292760, 322036, 402545, 495440, 585520, 644072, 805090, 1288144, 1610180, 3220360, 6440720]

約数ペア:

[(1, 6440720), (2, 3220360), (4, 1610180), (5, 1288144), (8, 805090), (10, 644072), (11, 585520), (13, 495440), (16, 402545), (20, 322036), (22, 292760), (26, 247720), (40, 161018), (44, 146380), (52, 123860), (55, 117104), (65, 99088), (80, 80509), (88, 73190), (104, 61930), (110, 58552), (130, 49544), (143, 45040), (176, 36595), (208, 30965), (220, 29276), (260, 24772), (286, 22520), (440, 14638), (520, 12386), (563, 11440), (572, 11260), (715, 9008), (880, 7319), (1040, 6193), (1126, 5720), (1144, 5630), (1430, 4504), (2252, 2860), (2288, 2815)]