2139280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 120

約数和(自身を含む): 6233976

約数和(自身を除く): 4094696

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 121, 130, 136, 143, 170, 176, 187, 208, 220, 221, 242, 260, 272, 286, 340, 374, 440, 442, 484, 520, 572, 605, 680, 715, 748, 880, 884, 935, 968, 1040, 1105, 1144, 1210, 1360, 1430, 1496, 1573, 1768, 1870, 1936, 2057, 2210, 2288, 2420, 2431, 2860, 2992, 3146, 3536, 3740, 4114, 4420, 4840, 4862, 5720, 6292, 7480, 7865, 8228, 8840, 9680, 9724, 10285, 11440, 12155, 12584, 14960, 15730, 16456, 17680, 19448, 20570, 24310, 25168, 26741, 31460, 32912, 38896, 41140, 48620, 53482, 62920, 82280, 97240, 106964, 125840, 133705, 164560, 194480, 213928, 267410, 427856, 534820, 1069640, 2139280]

約数ペア:

[(1, 2139280), (2, 1069640), (4, 534820), (5, 427856), (8, 267410), (10, 213928), (11, 194480), (13, 164560), (16, 133705), (17, 125840), (20, 106964), (22, 97240), (26, 82280), (34, 62920), (40, 53482), (44, 48620), (52, 41140), (55, 38896), (65, 32912), (68, 31460), (80, 26741), (85, 25168), (88, 24310), (104, 20570), (110, 19448), (121, 17680), (130, 16456), (136, 15730), (143, 14960), (170, 12584), (176, 12155), (187, 11440), (208, 10285), (220, 9724), (221, 9680), (242, 8840), (260, 8228), (272, 7865), (286, 7480), (340, 6292), (374, 5720), (440, 4862), (442, 4840), (484, 4420), (520, 4114), (572, 3740), (605, 3536), (680, 3146), (715, 2992), (748, 2860), (880, 2431), (884, 2420), (935, 2288), (968, 2210), (1040, 2057), (1105, 1936), (1144, 1870), (1210, 1768), (1360, 1573), (1430, 1496)]