128843220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17747}}^1$

素因数の和:17781

約数の個数: 72

約数和(自身を含む): 396561312

約数和(自身を除く): 267718092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 17747, 35494, 53241, 70988, 88735, 106482, 177470, 195217, 212964, 266205, 354940, 390434, 532410, 585651, 780868, 976085, 1064820, 1171302, 1952170, 2147387, 2342604, 2928255, 3904340, 4294774, 5856510, 6442161, 8589548, 10736935, 11713020, 12884322, 21473870, 25768644, 32210805, 42947740, 64421610, 128843220]

約数ペア:

[(1, 128843220), (2, 64421610), (3, 42947740), (4, 32210805), (5, 25768644), (6, 21473870), (10, 12884322), (11, 11713020), (12, 10736935), (15, 8589548), (20, 6442161), (22, 5856510), (30, 4294774), (33, 3904340), (44, 2928255), (55, 2342604), (60, 2147387), (66, 1952170), (110, 1171302), (121, 1064820), (132, 976085), (165, 780868), (220, 585651), (242, 532410), (330, 390434), (363, 354940), (484, 266205), (605, 212964), (660, 195217), (726, 177470), (1210, 106482), (1452, 88735), (1815, 70988), (2420, 53241), (3630, 35494), (7260, 17747)]