27981450

素因数分解:

$2^1\times 3^5\times 5^2\times 7^2\times {\mathrm{47}}^1$

素因数の和:88

約数の個数: 216

約数和(自身を含む): 92619072

約数和(自身を除く): 64637622

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 47, 49, 50, 54, 63, 70, 75, 81, 90, 94, 98, 105, 126, 135, 141, 147, 150, 162, 175, 189, 210, 225, 235, 243, 245, 270, 282, 294, 315, 329, 350, 378, 405, 423, 441, 450, 470, 486, 490, 525, 567, 630, 658, 675, 705, 735, 810, 846, 882, 945, 987, 1050, 1134, 1175, 1215, 1225, 1269, 1323, 1350, 1410, 1470, 1575, 1645, 1701, 1890, 1974, 2025, 2115, 2205, 2303, 2350, 2430, 2450, 2538, 2646, 2835, 2961, 3150, 3290, 3402, 3525, 3675, 3807, 3969, 4050, 4230, 4410, 4606, 4725, 4935, 5670, 5922, 6075, 6345, 6615, 6909, 7050, 7350, 7614, 7938, 8225, 8505, 8883, 9450, 9870, 10575, 11025, 11421, 11515, 11907, 12150, 12690, 13230, 13818, 14175, 14805, 16450, 17010, 17766, 19035, 19845, 20727, 21150, 22050, 22842, 23030, 23814, 24675, 26649, 28350, 29610, 31725, 33075, 34545, 38070, 39690, 41454, 42525, 44415, 49350, 53298, 57105, 57575, 59535, 62181, 63450, 66150, 69090, 74025, 79947, 85050, 88830, 95175, 99225, 103635, 114210, 115150, 119070, 124362, 133245, 148050, 159894, 172725, 186543, 190350, 198450, 207270, 222075, 266490, 285525, 297675, 310905, 345450, 373086, 399735, 444150, 518175, 559629, 571050, 595350, 621810, 666225, 799470, 932715, 1036350, 1119258, 1332450, 1554525, 1865430, 1998675, 2798145, 3109050, 3997350, 4663575, 5596290, 9327150, 13990725, 27981450]

約数ペア:

[(1, 27981450), (2, 13990725), (3, 9327150), (5, 5596290), (6, 4663575), (7, 3997350), (9, 3109050), (10, 2798145), (14, 1998675), (15, 1865430), (18, 1554525), (21, 1332450), (25, 1119258), (27, 1036350), (30, 932715), (35, 799470), (42, 666225), (45, 621810), (47, 595350), (49, 571050), (50, 559629), (54, 518175), (63, 444150), (70, 399735), (75, 373086), (81, 345450), (90, 310905), (94, 297675), (98, 285525), (105, 266490), (126, 222075), (135, 207270), (141, 198450), (147, 190350), (150, 186543), (162, 172725), (175, 159894), (189, 148050), (210, 133245), (225, 124362), (235, 119070), (243, 115150), (245, 114210), (270, 103635), (282, 99225), (294, 95175), (315, 88830), (329, 85050), (350, 79947), (378, 74025), (405, 69090), (423, 66150), (441, 63450), (450, 62181), (470, 59535), (486, 57575), (490, 57105), (525, 53298), (567, 49350), (630, 44415), (658, 42525), (675, 41454), (705, 39690), (735, 38070), (810, 34545), (846, 33075), (882, 31725), (945, 29610), (987, 28350), (1050, 26649), (1134, 24675), (1175, 23814), (1215, 23030), (1225, 22842), (1269, 22050), (1323, 21150), (1350, 20727), (1410, 19845), (1470, 19035), (1575, 17766), (1645, 17010), (1701, 16450), (1890, 14805), (1974, 14175), (2025, 13818), (2115, 13230), (2205, 12690), (2303, 12150), (2350, 11907), (2430, 11515), (2450, 11421), (2538, 11025), (2646, 10575), (2835, 9870), (2961, 9450), (3150, 8883), (3290, 8505), (3402, 8225), (3525, 7938), (3675, 7614), (3807, 7350), (3969, 7050), (4050, 6909), (4230, 6615), (4410, 6345), (4606, 6075), (4725, 5922), (4935, 5670)]