81373512

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 234270720

約数和(自身を除く): 152897208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 61, 62, 66, 88, 93, 122, 124, 132, 163, 183, 186, 244, 248, 264, 326, 341, 366, 372, 488, 489, 652, 671, 682, 732, 744, 978, 1023, 1304, 1342, 1364, 1464, 1793, 1891, 1956, 2013, 2046, 2684, 2728, 3586, 3782, 3912, 4026, 4092, 5053, 5368, 5379, 5673, 7172, 7564, 8052, 8184, 9943, 10106, 10758, 11346, 14344, 15128, 15159, 16104, 19886, 20212, 20801, 21516, 22692, 29829, 30318, 39772, 40424, 41602, 43032, 45384, 55583, 59658, 60636, 62403, 79544, 83204, 109373, 111166, 119316, 121272, 124806, 166408, 166749, 218746, 222332, 238632, 249612, 308233, 328119, 333498, 437492, 444664, 499224, 616466, 656238, 666996, 874984, 924699, 1232932, 1312476, 1333992, 1849398, 2465864, 2624952, 3390563, 3698796, 6781126, 7397592, 10171689, 13562252, 20343378, 27124504, 40686756, 81373512]

約数ペア:

[(1, 81373512), (2, 40686756), (3, 27124504), (4, 20343378), (6, 13562252), (8, 10171689), (11, 7397592), (12, 6781126), (22, 3698796), (24, 3390563), (31, 2624952), (33, 2465864), (44, 1849398), (61, 1333992), (62, 1312476), (66, 1232932), (88, 924699), (93, 874984), (122, 666996), (124, 656238), (132, 616466), (163, 499224), (183, 444664), (186, 437492), (244, 333498), (248, 328119), (264, 308233), (326, 249612), (341, 238632), (366, 222332), (372, 218746), (488, 166749), (489, 166408), (652, 124806), (671, 121272), (682, 119316), (732, 111166), (744, 109373), (978, 83204), (1023, 79544), (1304, 62403), (1342, 60636), (1364, 59658), (1464, 55583), (1793, 45384), (1891, 43032), (1956, 41602), (2013, 40424), (2046, 39772), (2684, 30318), (2728, 29829), (3586, 22692), (3782, 21516), (3912, 20801), (4026, 20212), (4092, 19886), (5053, 16104), (5368, 15159), (5379, 15128), (5673, 14344), (7172, 11346), (7564, 10758), (8052, 10106), (8184, 9943)]