4278560

素因数分解:

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

素因数の和:67

約数の個数: 144

約数和(自身を含む): 12669048

約数和(自身を除く): 8390488

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 32, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 121, 130, 136, 143, 160, 170, 176, 187, 208, 220, 221, 242, 260, 272, 286, 340, 352, 374, 416, 440, 442, 484, 520, 544, 572, 605, 680, 715, 748, 880, 884, 935, 968, 1040, 1105, 1144, 1210, 1360, 1430, 1496, 1573, 1760, 1768, 1870, 1936, 2057, 2080, 2210, 2288, 2420, 2431, 2720, 2860, 2992, 3146, 3536, 3740, 3872, 4114, 4420, 4576, 4840, 4862, 5720, 5984, 6292, 7072, 7480, 7865, 8228, 8840, 9680, 9724, 10285, 11440, 12155, 12584, 14960, 15730, 16456, 17680, 19360, 19448, 20570, 22880, 24310, 25168, 26741, 29920, 31460, 32912, 35360, 38896, 41140, 48620, 50336, 53482, 62920, 65824, 77792, 82280, 97240, 106964, 125840, 133705, 164560, 194480, 213928, 251680, 267410, 329120, 388960, 427856, 534820, 855712, 1069640, 2139280, 4278560]

約数ペア:

[(1, 4278560), (2, 2139280), (4, 1069640), (5, 855712), (8, 534820), (10, 427856), (11, 388960), (13, 329120), (16, 267410), (17, 251680), (20, 213928), (22, 194480), (26, 164560), (32, 133705), (34, 125840), (40, 106964), (44, 97240), (52, 82280), (55, 77792), (65, 65824), (68, 62920), (80, 53482), (85, 50336), (88, 48620), (104, 41140), (110, 38896), (121, 35360), (130, 32912), (136, 31460), (143, 29920), (160, 26741), (170, 25168), (176, 24310), (187, 22880), (208, 20570), (220, 19448), (221, 19360), (242, 17680), (260, 16456), (272, 15730), (286, 14960), (340, 12584), (352, 12155), (374, 11440), (416, 10285), (440, 9724), (442, 9680), (484, 8840), (520, 8228), (544, 7865), (572, 7480), (605, 7072), (680, 6292), (715, 5984), (748, 5720), (880, 4862), (884, 4840), (935, 4576), (968, 4420), (1040, 4114), (1105, 3872), (1144, 3740), (1210, 3536), (1360, 3146), (1430, 2992), (1496, 2860), (1573, 2720), (1760, 2431), (1768, 2420), (1870, 2288), (1936, 2210), (2057, 2080)]