31011360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 103892544

約数和(自身を除く): 72881184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 53, 60, 69, 80, 92, 96, 106, 115, 120, 138, 159, 160, 184, 212, 230, 240, 265, 276, 318, 345, 368, 424, 460, 480, 530, 552, 636, 690, 736, 795, 848, 920, 1060, 1104, 1219, 1272, 1380, 1590, 1696, 1840, 2120, 2208, 2438, 2544, 2760, 2809, 3180, 3657, 3680, 4240, 4876, 5088, 5520, 5618, 6095, 6360, 7314, 8427, 8480, 9752, 11040, 11236, 12190, 12720, 14045, 14628, 16854, 18285, 19504, 22472, 24380, 25440, 28090, 29256, 33708, 36570, 39008, 42135, 44944, 48760, 56180, 58512, 64607, 67416, 73140, 84270, 89888, 97520, 112360, 117024, 129214, 134832, 146280, 168540, 193821, 195040, 224720, 258428, 269664, 292560, 323035, 337080, 387642, 449440, 516856, 585120, 646070, 674160, 775284, 969105, 1033712, 1292140, 1348320, 1550568, 1938210, 2067424, 2584280, 3101136, 3876420, 5168560, 6202272, 7752840, 10337120, 15505680, 31011360]

約数ペア:

[(1, 31011360), (2, 15505680), (3, 10337120), (4, 7752840), (5, 6202272), (6, 5168560), (8, 3876420), (10, 3101136), (12, 2584280), (15, 2067424), (16, 1938210), (20, 1550568), (23, 1348320), (24, 1292140), (30, 1033712), (32, 969105), (40, 775284), (46, 674160), (48, 646070), (53, 585120), (60, 516856), (69, 449440), (80, 387642), (92, 337080), (96, 323035), (106, 292560), (115, 269664), (120, 258428), (138, 224720), (159, 195040), (160, 193821), (184, 168540), (212, 146280), (230, 134832), (240, 129214), (265, 117024), (276, 112360), (318, 97520), (345, 89888), (368, 84270), (424, 73140), (460, 67416), (480, 64607), (530, 58512), (552, 56180), (636, 48760), (690, 44944), (736, 42135), (795, 39008), (848, 36570), (920, 33708), (1060, 29256), (1104, 28090), (1219, 25440), (1272, 24380), (1380, 22472), (1590, 19504), (1696, 18285), (1840, 16854), (2120, 14628), (2208, 14045), (2438, 12720), (2544, 12190), (2760, 11236), (2809, 11040), (3180, 9752), (3657, 8480), (3680, 8427), (4240, 7314), (4876, 6360), (5088, 6095), (5520, 5618)]