127405280

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 96

約数和(自身を含む): 318427200

約数和(自身を除く): 191021920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 89, 92, 115, 160, 178, 184, 230, 356, 368, 389, 445, 460, 712, 736, 778, 890, 920, 1424, 1556, 1780, 1840, 1945, 2047, 2848, 3112, 3560, 3680, 3890, 4094, 6224, 7120, 7780, 8188, 8947, 10235, 12448, 14240, 15560, 16376, 17894, 20470, 31120, 32752, 34621, 35788, 40940, 44735, 62240, 65504, 69242, 71576, 81880, 89470, 138484, 143152, 163760, 173105, 178940, 276968, 286304, 327520, 346210, 357880, 553936, 692420, 715760, 796283, 1107872, 1384840, 1431520, 1592566, 2769680, 3185132, 3981415, 5539360, 6370264, 7962830, 12740528, 15925660, 25481056, 31851320, 63702640, 127405280]

約数ペア:

[(1, 127405280), (2, 63702640), (4, 31851320), (5, 25481056), (8, 15925660), (10, 12740528), (16, 7962830), (20, 6370264), (23, 5539360), (32, 3981415), (40, 3185132), (46, 2769680), (80, 1592566), (89, 1431520), (92, 1384840), (115, 1107872), (160, 796283), (178, 715760), (184, 692420), (230, 553936), (356, 357880), (368, 346210), (389, 327520), (445, 286304), (460, 276968), (712, 178940), (736, 173105), (778, 163760), (890, 143152), (920, 138484), (1424, 89470), (1556, 81880), (1780, 71576), (1840, 69242), (1945, 65504), (2047, 62240), (2848, 44735), (3112, 40940), (3560, 35788), (3680, 34621), (3890, 32752), (4094, 31120), (6224, 20470), (7120, 17894), (7780, 16376), (8188, 15560), (8947, 14240), (10235, 12448)]