221417820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31541}}^1$

素因数の和:31572

約数の個数: 96

約数和(自身を含む): 741867840

約数和(自身を除く): 520450020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 31541, 63082, 94623, 126164, 157705, 189246, 283869, 315410, 378492, 410033, 473115, 567738, 630820, 820066, 851607, 946230, 1135476, 1230099, 1419345, 1640132, 1703214, 1892460, 2050165, 2460198, 2838690, 3406428, 3690297, 4100330, 4258035, 4920396, 5677380, 6150495, 7380594, 8200660, 8516070, 11070891, 12300990, 14761188, 17032140, 18451485, 22141782, 24601980, 36902970, 44283564, 55354455, 73805940, 110708910, 221417820]

約数ペア:

[(1, 221417820), (2, 110708910), (3, 73805940), (4, 55354455), (5, 44283564), (6, 36902970), (9, 24601980), (10, 22141782), (12, 18451485), (13, 17032140), (15, 14761188), (18, 12300990), (20, 11070891), (26, 8516070), (27, 8200660), (30, 7380594), (36, 6150495), (39, 5677380), (45, 4920396), (52, 4258035), (54, 4100330), (60, 3690297), (65, 3406428), (78, 2838690), (90, 2460198), (108, 2050165), (117, 1892460), (130, 1703214), (135, 1640132), (156, 1419345), (180, 1230099), (195, 1135476), (234, 946230), (260, 851607), (270, 820066), (351, 630820), (390, 567738), (468, 473115), (540, 410033), (585, 378492), (702, 315410), (780, 283869), (1170, 189246), (1404, 157705), (1755, 126164), (2340, 94623), (3510, 63082), (7020, 31541)]