15223520

素因数分解:

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

素因数の和:604

約数の個数: 72

約数和(自身を含む): 39014136

約数和(自身を除く): 23790616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 563, 676, 845, 1040, 1126, 1352, 1690, 2080, 2252, 2704, 2815, 3380, 4504, 5408, 5630, 6760, 7319, 9008, 11260, 13520, 14638, 18016, 22520, 27040, 29276, 36595, 45040, 58552, 73190, 90080, 95147, 117104, 146380, 190294, 234208, 292760, 380588, 475735, 585520, 761176, 951470, 1171040, 1522352, 1902940, 3044704, 3805880, 7611760, 15223520]

約数ペア:

[(1, 15223520), (2, 7611760), (4, 3805880), (5, 3044704), (8, 1902940), (10, 1522352), (13, 1171040), (16, 951470), (20, 761176), (26, 585520), (32, 475735), (40, 380588), (52, 292760), (65, 234208), (80, 190294), (104, 146380), (130, 117104), (160, 95147), (169, 90080), (208, 73190), (260, 58552), (338, 45040), (416, 36595), (520, 29276), (563, 27040), (676, 22520), (845, 18016), (1040, 14638), (1126, 13520), (1352, 11260), (1690, 9008), (2080, 7319), (2252, 6760), (2704, 5630), (2815, 5408), (3380, 4504)]