128630340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{967}}^1$

素因数の和:1721

約数の個数: 72

約数和(自身を含む): 391110720

約数和(自身を除く): 262480380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 739, 967, 1478, 1934, 2217, 2901, 2956, 3695, 3868, 4434, 4835, 5802, 6651, 7390, 8703, 8868, 9670, 11085, 11604, 13302, 14505, 14780, 17406, 19340, 22170, 26604, 29010, 33255, 34812, 43515, 44340, 58020, 66510, 87030, 133020, 174060, 714613, 1429226, 2143839, 2858452, 3573065, 4287678, 6431517, 7146130, 8575356, 10719195, 12863034, 14292260, 21438390, 25726068, 32157585, 42876780, 64315170, 128630340]

約数ペア:

[(1, 128630340), (2, 64315170), (3, 42876780), (4, 32157585), (5, 25726068), (6, 21438390), (9, 14292260), (10, 12863034), (12, 10719195), (15, 8575356), (18, 7146130), (20, 6431517), (30, 4287678), (36, 3573065), (45, 2858452), (60, 2143839), (90, 1429226), (180, 714613), (739, 174060), (967, 133020), (1478, 87030), (1934, 66510), (2217, 58020), (2901, 44340), (2956, 43515), (3695, 34812), (3868, 33255), (4434, 29010), (4835, 26604), (5802, 22170), (6651, 19340), (7390, 17406), (8703, 14780), (8868, 14505), (9670, 13302), (11085, 11604)]