220756140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{111493}}^1$

素因数の和:111519

約数の個数: 72

約数和(自身を含む): 730508688

約数和(自身を除く): 509752548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 111493, 222986, 334479, 445972, 557465, 668958, 1003437, 1114930, 1226423, 1337916, 1672395, 2006874, 2229860, 2452846, 3344790, 3679269, 4013748, 4905692, 5017185, 6132115, 6689580, 7358538, 10034370, 11037807, 12264230, 14717076, 18396345, 20068740, 22075614, 24528460, 36792690, 44151228, 55189035, 73585380, 110378070, 220756140]

約数ペア:

[(1, 220756140), (2, 110378070), (3, 73585380), (4, 55189035), (5, 44151228), (6, 36792690), (9, 24528460), (10, 22075614), (11, 20068740), (12, 18396345), (15, 14717076), (18, 12264230), (20, 11037807), (22, 10034370), (30, 7358538), (33, 6689580), (36, 6132115), (44, 5017185), (45, 4905692), (55, 4013748), (60, 3679269), (66, 3344790), (90, 2452846), (99, 2229860), (110, 2006874), (132, 1672395), (165, 1337916), (180, 1226423), (198, 1114930), (220, 1003437), (330, 668958), (396, 557465), (495, 445972), (660, 334479), (990, 222986), (1980, 111493)]