221143260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{193}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 679934304

約数和(自身を除く): 458791044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 113, 130, 156, 169, 193, 195, 226, 260, 338, 339, 386, 390, 452, 507, 565, 579, 676, 678, 772, 780, 845, 965, 1014, 1130, 1158, 1356, 1469, 1690, 1695, 1930, 2028, 2260, 2316, 2509, 2535, 2895, 2938, 3380, 3390, 3860, 4407, 5018, 5070, 5790, 5876, 6780, 7345, 7527, 8814, 10036, 10140, 11580, 12545, 14690, 15054, 17628, 19097, 21809, 22035, 25090, 29380, 30108, 32617, 37635, 38194, 43618, 44070, 50180, 57291, 65234, 65427, 75270, 76388, 87236, 88140, 95485, 97851, 109045, 114582, 130468, 130854, 150540, 163085, 190970, 195702, 218090, 229164, 261708, 283517, 286455, 326170, 327135, 381940, 391404, 436180, 489255, 567034, 572910, 652340, 654270, 850551, 978510, 1134068, 1145820, 1308540, 1417585, 1701102, 1957020, 2835170, 3402204, 3685721, 4252755, 5670340, 7371442, 8505510, 11057163, 14742884, 17011020, 18428605, 22114326, 36857210, 44228652, 55285815, 73714420, 110571630, 221143260]

約数ペア:

[(1, 221143260), (2, 110571630), (3, 73714420), (4, 55285815), (5, 44228652), (6, 36857210), (10, 22114326), (12, 18428605), (13, 17011020), (15, 14742884), (20, 11057163), (26, 8505510), (30, 7371442), (39, 5670340), (52, 4252755), (60, 3685721), (65, 3402204), (78, 2835170), (113, 1957020), (130, 1701102), (156, 1417585), (169, 1308540), (193, 1145820), (195, 1134068), (226, 978510), (260, 850551), (338, 654270), (339, 652340), (386, 572910), (390, 567034), (452, 489255), (507, 436180), (565, 391404), (579, 381940), (676, 327135), (678, 326170), (772, 286455), (780, 283517), (845, 261708), (965, 229164), (1014, 218090), (1130, 195702), (1158, 190970), (1356, 163085), (1469, 150540), (1690, 130854), (1695, 130468), (1930, 114582), (2028, 109045), (2260, 97851), (2316, 95485), (2509, 88140), (2535, 87236), (2895, 76388), (2938, 75270), (3380, 65427), (3390, 65234), (3860, 57291), (4407, 50180), (5018, 44070), (5070, 43618), (5790, 38194), (5876, 37635), (6780, 32617), (7345, 30108), (7527, 29380), (8814, 25090), (10036, 22035), (10140, 21809), (11580, 19097), (12545, 17628), (14690, 15054)]