127846720

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^2\times {\mathrm{89}}^1$

素因数の和:240

約数の個数: 84

約数和(自身を含む): 312519060

約数和(自身を除く): 184672340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 89, 134, 160, 178, 268, 320, 335, 356, 445, 536, 670, 712, 890, 1072, 1340, 1424, 1780, 2144, 2680, 2848, 3560, 4288, 4489, 5360, 5696, 5963, 7120, 8978, 10720, 11926, 14240, 17956, 21440, 22445, 23852, 28480, 29815, 35912, 44890, 47704, 59630, 71824, 89780, 95408, 119260, 143648, 179560, 190816, 238520, 287296, 359120, 381632, 399521, 477040, 718240, 799042, 954080, 1436480, 1598084, 1908160, 1997605, 3196168, 3995210, 6392336, 7990420, 12784672, 15980840, 25569344, 31961680, 63923360, 127846720]

約数ペア:

[(1, 127846720), (2, 63923360), (4, 31961680), (5, 25569344), (8, 15980840), (10, 12784672), (16, 7990420), (20, 6392336), (32, 3995210), (40, 3196168), (64, 1997605), (67, 1908160), (80, 1598084), (89, 1436480), (134, 954080), (160, 799042), (178, 718240), (268, 477040), (320, 399521), (335, 381632), (356, 359120), (445, 287296), (536, 238520), (670, 190816), (712, 179560), (890, 143648), (1072, 119260), (1340, 95408), (1424, 89780), (1780, 71824), (2144, 59630), (2680, 47704), (2848, 44890), (3560, 35912), (4288, 29815), (4489, 28480), (5360, 23852), (5696, 22445), (5963, 21440), (7120, 17956), (8978, 14240), (10720, 11926)]