81781224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 247726080

約数和(自身を除く): 165944856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 41, 42, 56, 62, 82, 84, 93, 123, 124, 164, 168, 186, 217, 246, 248, 287, 328, 372, 383, 434, 492, 574, 651, 744, 766, 861, 868, 984, 1148, 1149, 1271, 1302, 1532, 1722, 1736, 2296, 2298, 2542, 2604, 2681, 3064, 3444, 3813, 4596, 5084, 5208, 5362, 6888, 7626, 8043, 8897, 9192, 10168, 10724, 11873, 15252, 15703, 16086, 17794, 21448, 23746, 26691, 30504, 31406, 32172, 35588, 35619, 47109, 47492, 53382, 62812, 64344, 71176, 71238, 83111, 94218, 94984, 106764, 109921, 125624, 142476, 166222, 188436, 213528, 219842, 249333, 284952, 329763, 332444, 376872, 439684, 486793, 498666, 659526, 664888, 879368, 973586, 997332, 1319052, 1460379, 1947172, 1994664, 2638104, 2920758, 3407551, 3894344, 5841516, 6815102, 10222653, 11683032, 13630204, 20445306, 27260408, 40890612, 81781224]

約数ペア:

[(1, 81781224), (2, 40890612), (3, 27260408), (4, 20445306), (6, 13630204), (7, 11683032), (8, 10222653), (12, 6815102), (14, 5841516), (21, 3894344), (24, 3407551), (28, 2920758), (31, 2638104), (41, 1994664), (42, 1947172), (56, 1460379), (62, 1319052), (82, 997332), (84, 973586), (93, 879368), (123, 664888), (124, 659526), (164, 498666), (168, 486793), (186, 439684), (217, 376872), (246, 332444), (248, 329763), (287, 284952), (328, 249333), (372, 219842), (383, 213528), (434, 188436), (492, 166222), (574, 142476), (651, 125624), (744, 109921), (766, 106764), (861, 94984), (868, 94218), (984, 83111), (1148, 71238), (1149, 71176), (1271, 64344), (1302, 62812), (1532, 53382), (1722, 47492), (1736, 47109), (2296, 35619), (2298, 35588), (2542, 32172), (2604, 31406), (2681, 30504), (3064, 26691), (3444, 23746), (3813, 21448), (4596, 17794), (5084, 16086), (5208, 15703), (5362, 15252), (6888, 11873), (7626, 10724), (8043, 10168), (8897, 9192)]