131209920

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 168

約数和(自身を含む): 467166960

約数和(自身を除く): 335957040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 435, 464, 480, 522, 576, 580, 696, 720, 870, 928, 960, 1044, 1160, 1305, 1392, 1440, 1571, 1740, 1856, 2088, 2320, 2610, 2784, 2880, 3142, 3480, 4176, 4640, 4713, 5220, 5568, 6284, 6960, 7855, 8352, 9280, 9426, 10440, 12568, 13920, 14139, 15710, 16704, 18852, 20880, 23565, 25136, 27840, 28278, 31420, 37704, 41760, 45559, 47130, 50272, 56556, 62840, 70695, 75408, 83520, 91118, 94260, 100544, 113112, 125680, 136677, 141390, 150816, 182236, 188520, 226224, 227795, 251360, 273354, 282780, 301632, 364472, 377040, 410031, 452448, 455590, 502720, 546708, 565560, 683385, 728944, 754080, 820062, 904896, 911180, 1093416, 1131120, 1366770, 1457888, 1508160, 1640124, 1822360, 2050155, 2186832, 2262240, 2733540, 2915776, 3280248, 3644720, 4100310, 4373664, 4524480, 5467080, 6560496, 7289440, 8200620, 8747328, 10934160, 13120992, 14578880, 16401240, 21868320, 26241984, 32802480, 43736640, 65604960, 131209920]

約数ペア:

[(1, 131209920), (2, 65604960), (3, 43736640), (4, 32802480), (5, 26241984), (6, 21868320), (8, 16401240), (9, 14578880), (10, 13120992), (12, 10934160), (15, 8747328), (16, 8200620), (18, 7289440), (20, 6560496), (24, 5467080), (29, 4524480), (30, 4373664), (32, 4100310), (36, 3644720), (40, 3280248), (45, 2915776), (48, 2733540), (58, 2262240), (60, 2186832), (64, 2050155), (72, 1822360), (80, 1640124), (87, 1508160), (90, 1457888), (96, 1366770), (116, 1131120), (120, 1093416), (144, 911180), (145, 904896), (160, 820062), (174, 754080), (180, 728944), (192, 683385), (232, 565560), (240, 546708), (261, 502720), (288, 455590), (290, 452448), (320, 410031), (348, 377040), (360, 364472), (435, 301632), (464, 282780), (480, 273354), (522, 251360), (576, 227795), (580, 226224), (696, 188520), (720, 182236), (870, 150816), (928, 141390), (960, 136677), (1044, 125680), (1160, 113112), (1305, 100544), (1392, 94260), (1440, 91118), (1571, 83520), (1740, 75408), (1856, 70695), (2088, 62840), (2320, 56556), (2610, 50272), (2784, 47130), (2880, 45559), (3142, 41760), (3480, 37704), (4176, 31420), (4640, 28278), (4713, 27840), (5220, 25136), (5568, 23565), (6284, 20880), (6960, 18852), (7855, 16704), (8352, 15710), (9280, 14139), (9426, 13920), (10440, 12568)]