505276720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28579}}^1$

素因数の和:28622

約数の個数: 80

約数和(自身を含む): 1339601760

約数和(自身を除く): 834325040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 17680, 28579, 57158, 114316, 142895, 228632, 285790, 371527, 457264, 485843, 571580, 743054, 971686, 1143160, 1486108, 1857635, 1943372, 2286320, 2429215, 2972216, 3715270, 3886744, 4858430, 5944432, 6315959, 7430540, 7773488, 9716860, 12631918, 14861080, 19433720, 25263836, 29722160, 31579795, 38867440, 50527672, 63159590, 101055344, 126319180, 252638360, 505276720]

約数ペア:

[(1, 505276720), (2, 252638360), (4, 126319180), (5, 101055344), (8, 63159590), (10, 50527672), (13, 38867440), (16, 31579795), (17, 29722160), (20, 25263836), (26, 19433720), (34, 14861080), (40, 12631918), (52, 9716860), (65, 7773488), (68, 7430540), (80, 6315959), (85, 5944432), (104, 4858430), (130, 3886744), (136, 3715270), (170, 2972216), (208, 2429215), (221, 2286320), (260, 1943372), (272, 1857635), (340, 1486108), (442, 1143160), (520, 971686), (680, 743054), (884, 571580), (1040, 485843), (1105, 457264), (1360, 371527), (1768, 285790), (2210, 228632), (3536, 142895), (4420, 114316), (8840, 57158), (17680, 28579)]