16688320

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:470

約数の個数: 84

約数和(自身を含む): 43781472

約数和(自身を除く): 27093152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 431, 440, 484, 605, 704, 862, 880, 968, 1210, 1724, 1760, 1936, 2155, 2420, 3448, 3520, 3872, 4310, 4741, 4840, 6896, 7744, 8620, 9482, 9680, 13792, 17240, 18964, 19360, 23705, 27584, 34480, 37928, 38720, 47410, 52151, 68960, 75856, 94820, 104302, 137920, 151712, 189640, 208604, 260755, 303424, 379280, 417208, 521510, 758560, 834416, 1043020, 1517120, 1668832, 2086040, 3337664, 4172080, 8344160, 16688320]

約数ペア:

[(1, 16688320), (2, 8344160), (4, 4172080), (5, 3337664), (8, 2086040), (10, 1668832), (11, 1517120), (16, 1043020), (20, 834416), (22, 758560), (32, 521510), (40, 417208), (44, 379280), (55, 303424), (64, 260755), (80, 208604), (88, 189640), (110, 151712), (121, 137920), (160, 104302), (176, 94820), (220, 75856), (242, 68960), (320, 52151), (352, 47410), (431, 38720), (440, 37928), (484, 34480), (605, 27584), (704, 23705), (862, 19360), (880, 18964), (968, 17240), (1210, 13792), (1724, 9680), (1760, 9482), (1936, 8620), (2155, 7744), (2420, 6896), (3448, 4840), (3520, 4741), (3872, 4310)]