55621280

素因数分解:

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

素因数の和:80

約数の個数: 216

約数和(自身を含む): 165602556

約数和(自身を除く): 109981276

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, 169, 170, 176, 187, 208, 220, 221, 242, 260, 272, 286, 338, 340, 352, 374, 416, 440, 442, 484, 520, 544, 572, 605, 676, 680, 715, 748, 845, 880, 884, 935, 968, 1040, 1105, 1144, 1210, 1352, 1360, 1430, 1496, 1573, 1690, 1760, 1768, 1859, 1870, 1936, 2057, 2080, 2210, 2288, 2420, 2431, 2704, 2720, 2860, 2873, 2992, 3146, 3380, 3536, 3718, 3740, 3872, 4114, 4420, 4576, 4840, 4862, 5408, 5720, 5746, 5984, 6292, 6760, 7072, 7436, 7480, 7865, 8228, 8840, 9295, 9680, 9724, 10285, 11440, 11492, 12155, 12584, 13520, 14365, 14872, 14960, 15730, 16456, 17680, 18590, 19360, 19448, 20449, 20570, 22880, 22984, 24310, 25168, 26741, 27040, 28730, 29744, 29920, 31460, 31603, 32912, 35360, 37180, 38896, 40898, 41140, 45968, 48620, 50336, 53482, 57460, 59488, 62920, 63206, 65824, 74360, 77792, 81796, 82280, 91936, 97240, 102245, 106964, 114920, 125840, 126412, 133705, 148720, 158015, 163592, 164560, 194480, 204490, 213928, 229840, 251680, 252824, 267410, 297440, 316030, 327184, 329120, 347633, 388960, 408980, 427856, 459680, 505648, 534820, 632060, 654368, 695266, 817960, 855712, 1011296, 1069640, 1264120, 1390532, 1635920, 1738165, 2139280, 2528240, 2781064, 3271840, 3476330, 4278560, 5056480, 5562128, 6952660, 11124256, 13905320, 27810640, 55621280]

約数ペア:

[(1, 55621280), (2, 27810640), (4, 13905320), (5, 11124256), (8, 6952660), (10, 5562128), (11, 5056480), (13, 4278560), (16, 3476330), (17, 3271840), (20, 2781064), (22, 2528240), (26, 2139280), (32, 1738165), (34, 1635920), (40, 1390532), (44, 1264120), (52, 1069640), (55, 1011296), (65, 855712), (68, 817960), (80, 695266), (85, 654368), (88, 632060), (104, 534820), (110, 505648), (121, 459680), (130, 427856), (136, 408980), (143, 388960), (160, 347633), (169, 329120), (170, 327184), (176, 316030), (187, 297440), (208, 267410), (220, 252824), (221, 251680), (242, 229840), (260, 213928), (272, 204490), (286, 194480), (338, 164560), (340, 163592), (352, 158015), (374, 148720), (416, 133705), (440, 126412), (442, 125840), (484, 114920), (520, 106964), (544, 102245), (572, 97240), (605, 91936), (676, 82280), (680, 81796), (715, 77792), (748, 74360), (845, 65824), (880, 63206), (884, 62920), (935, 59488), (968, 57460), (1040, 53482), (1105, 50336), (1144, 48620), (1210, 45968), (1352, 41140), (1360, 40898), (1430, 38896), (1496, 37180), (1573, 35360), (1690, 32912), (1760, 31603), (1768, 31460), (1859, 29920), (1870, 29744), (1936, 28730), (2057, 27040), (2080, 26741), (2210, 25168), (2288, 24310), (2420, 22984), (2431, 22880), (2704, 20570), (2720, 20449), (2860, 19448), (2873, 19360), (2992, 18590), (3146, 17680), (3380, 16456), (3536, 15730), (3718, 14960), (3740, 14872), (3872, 14365), (4114, 13520), (4420, 12584), (4576, 12155), (4840, 11492), (4862, 11440), (5408, 10285), (5720, 9724), (5746, 9680), (5984, 9295), (6292, 8840), (6760, 8228), (7072, 7865), (7436, 7480)]