169949680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6577}}^1$

素因数の和:6626

約数の個数: 80

約数和(自身を含む): 440462880

約数和(自身を除く): 270513200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 6577, 12920, 13154, 25840, 26308, 32885, 52616, 65770, 105232, 111809, 124963, 131540, 223618, 249926, 263080, 447236, 499852, 526160, 559045, 624815, 894472, 999704, 1118090, 1249630, 1788944, 1999408, 2124371, 2236180, 2499260, 4248742, 4472360, 4998520, 8497484, 8944720, 9997040, 10621855, 16994968, 21243710, 33989936, 42487420, 84974840, 169949680]

約数ペア:

[(1, 169949680), (2, 84974840), (4, 42487420), (5, 33989936), (8, 21243710), (10, 16994968), (16, 10621855), (17, 9997040), (19, 8944720), (20, 8497484), (34, 4998520), (38, 4472360), (40, 4248742), (68, 2499260), (76, 2236180), (80, 2124371), (85, 1999408), (95, 1788944), (136, 1249630), (152, 1118090), (170, 999704), (190, 894472), (272, 624815), (304, 559045), (323, 526160), (340, 499852), (380, 447236), (646, 263080), (680, 249926), (760, 223618), (1292, 131540), (1360, 124963), (1520, 111809), (1615, 105232), (2584, 65770), (3230, 52616), (5168, 32885), (6460, 26308), (6577, 25840), (12920, 13154)]