27810640

素因数分解:

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

素因数の和:78

約数の個数: 180

約数和(自身を含む): 81486972

約数和(自身を除く): 53676332

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

約数ペア:

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