31614880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 144

約数和(自身を含む): 86873472

約数和(自身を除く): 55258592

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 71, 80, 88, 92, 110, 115, 121, 142, 160, 176, 184, 220, 230, 242, 253, 284, 352, 355, 368, 440, 460, 484, 506, 568, 605, 710, 736, 781, 880, 920, 968, 1012, 1136, 1210, 1265, 1420, 1562, 1633, 1760, 1840, 1936, 2024, 2272, 2420, 2530, 2783, 2840, 3124, 3266, 3680, 3872, 3905, 4048, 4840, 5060, 5566, 5680, 6248, 6532, 7810, 8096, 8165, 8591, 9680, 10120, 11132, 11360, 12496, 13064, 13915, 15620, 16330, 17182, 17963, 19360, 20240, 22264, 24992, 26128, 27830, 31240, 32660, 34364, 35926, 40480, 42955, 44528, 52256, 55660, 62480, 65320, 68728, 71852, 85910, 89056, 89815, 111320, 124960, 130640, 137456, 143704, 171820, 179630, 197593, 222640, 261280, 274912, 287408, 343640, 359260, 395186, 445280, 574816, 687280, 718520, 790372, 987965, 1374560, 1437040, 1580744, 1975930, 2874080, 3161488, 3951860, 6322976, 7903720, 15807440, 31614880]

約数ペア:

[(1, 31614880), (2, 15807440), (4, 7903720), (5, 6322976), (8, 3951860), (10, 3161488), (11, 2874080), (16, 1975930), (20, 1580744), (22, 1437040), (23, 1374560), (32, 987965), (40, 790372), (44, 718520), (46, 687280), (55, 574816), (71, 445280), (80, 395186), (88, 359260), (92, 343640), (110, 287408), (115, 274912), (121, 261280), (142, 222640), (160, 197593), (176, 179630), (184, 171820), (220, 143704), (230, 137456), (242, 130640), (253, 124960), (284, 111320), (352, 89815), (355, 89056), (368, 85910), (440, 71852), (460, 68728), (484, 65320), (506, 62480), (568, 55660), (605, 52256), (710, 44528), (736, 42955), (781, 40480), (880, 35926), (920, 34364), (968, 32660), (1012, 31240), (1136, 27830), (1210, 26128), (1265, 24992), (1420, 22264), (1562, 20240), (1633, 19360), (1760, 17963), (1840, 17182), (1936, 16330), (2024, 15620), (2272, 13915), (2420, 13064), (2530, 12496), (2783, 11360), (2840, 11132), (3124, 10120), (3266, 9680), (3680, 8591), (3872, 8165), (3905, 8096), (4048, 7810), (4840, 6532), (5060, 6248), (5566, 5680)]