128162556

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2801}}^1$

素因数の和:2883

約数の個数: 72

約数和(自身を含む): 342695808

約数和(自身を除く): 214533252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 369, 372, 492, 558, 738, 1116, 1271, 1476, 2542, 2801, 3813, 5084, 5602, 7626, 8403, 11204, 11439, 15252, 16806, 22878, 25209, 33612, 45756, 50418, 86831, 100836, 114841, 173662, 229682, 260493, 344523, 347324, 459364, 520986, 689046, 781479, 1033569, 1041972, 1378092, 1562958, 2067138, 3125916, 3560071, 4134276, 7120142, 10680213, 14240284, 21360426, 32040639, 42720852, 64081278, 128162556]

約数ペア:

[(1, 128162556), (2, 64081278), (3, 42720852), (4, 32040639), (6, 21360426), (9, 14240284), (12, 10680213), (18, 7120142), (31, 4134276), (36, 3560071), (41, 3125916), (62, 2067138), (82, 1562958), (93, 1378092), (123, 1041972), (124, 1033569), (164, 781479), (186, 689046), (246, 520986), (279, 459364), (369, 347324), (372, 344523), (492, 260493), (558, 229682), (738, 173662), (1116, 114841), (1271, 100836), (1476, 86831), (2542, 50418), (2801, 45756), (3813, 33612), (5084, 25209), (5602, 22878), (7626, 16806), (8403, 15252), (11204, 11439)]