18680060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29220100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 43, 58, 70, 86, 107, 116, 140, 145, 172, 203, 214, 215, 290, 301, 406, 428, 430, 535, 580, 602, 749, 812, 860, 1015, 1070, 1204, 1247, 1498, 1505, 2030, 2140, 2494, 2996, 3010, 3103, 3745, 4060, 4601, 4988, 6020, 6206, 6235, 7490, 8729, 9202, 12412, 12470, 14980, 15515, 17458, 18404, 21721, 23005, 24940, 31030, 32207, 34916, 43442, 43645, 46010, 62060, 64414, 86884, 87290, 92020, 108605, 128828, 133429, 161035, 174580, 217210, 266858, 322070, 434420, 533716, 644140, 667145, 934003, 1334290, 1868006, 2668580, 3736012, 4670015, 9340030, 18680060]

約数ペア:

[(1, 18680060), (2, 9340030), (4, 4670015), (5, 3736012), (7, 2668580), (10, 1868006), (14, 1334290), (20, 934003), (28, 667145), (29, 644140), (35, 533716), (43, 434420), (58, 322070), (70, 266858), (86, 217210), (107, 174580), (116, 161035), (140, 133429), (145, 128828), (172, 108605), (203, 92020), (214, 87290), (215, 86884), (290, 64414), (301, 62060), (406, 46010), (428, 43645), (430, 43442), (535, 34916), (580, 32207), (602, 31030), (749, 24940), (812, 23005), (860, 21721), (1015, 18404), (1070, 17458), (1204, 15515), (1247, 14980), (1498, 12470), (1505, 12412), (2030, 9202), (2140, 8729), (2494, 7490), (2996, 6235), (3010, 6206), (3103, 6020), (3745, 4988), (4060, 4601)]