31235040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 108108000

約数和(自身を除く): 76872960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 109, 120, 144, 160, 180, 199, 218, 240, 288, 327, 360, 398, 436, 480, 545, 597, 654, 720, 796, 872, 981, 995, 1090, 1194, 1308, 1440, 1592, 1635, 1744, 1791, 1962, 1990, 2180, 2388, 2616, 2985, 3184, 3270, 3488, 3582, 3924, 3980, 4360, 4776, 4905, 5232, 5970, 6368, 6540, 7164, 7848, 7960, 8720, 8955, 9552, 9810, 10464, 11940, 13080, 14328, 15696, 15920, 17440, 17910, 19104, 19620, 21691, 23880, 26160, 28656, 31392, 31840, 35820, 39240, 43382, 47760, 52320, 57312, 65073, 71640, 78480, 86764, 95520, 108455, 130146, 143280, 156960, 173528, 195219, 216910, 260292, 286560, 325365, 347056, 390438, 433820, 520584, 650730, 694112, 780876, 867640, 976095, 1041168, 1301460, 1561752, 1735280, 1952190, 2082336, 2602920, 3123504, 3470560, 3904380, 5205840, 6247008, 7808760, 10411680, 15617520, 31235040]

約数ペア:

[(1, 31235040), (2, 15617520), (3, 10411680), (4, 7808760), (5, 6247008), (6, 5205840), (8, 3904380), (9, 3470560), (10, 3123504), (12, 2602920), (15, 2082336), (16, 1952190), (18, 1735280), (20, 1561752), (24, 1301460), (30, 1041168), (32, 976095), (36, 867640), (40, 780876), (45, 694112), (48, 650730), (60, 520584), (72, 433820), (80, 390438), (90, 347056), (96, 325365), (109, 286560), (120, 260292), (144, 216910), (160, 195219), (180, 173528), (199, 156960), (218, 143280), (240, 130146), (288, 108455), (327, 95520), (360, 86764), (398, 78480), (436, 71640), (480, 65073), (545, 57312), (597, 52320), (654, 47760), (720, 43382), (796, 39240), (872, 35820), (981, 31840), (995, 31392), (1090, 28656), (1194, 26160), (1308, 23880), (1440, 21691), (1592, 19620), (1635, 19104), (1744, 17910), (1791, 17440), (1962, 15920), (1990, 15696), (2180, 14328), (2388, 13080), (2616, 11940), (2985, 10464), (3184, 9810), (3270, 9552), (3488, 8955), (3582, 8720), (3924, 7960), (3980, 7848), (4360, 7164), (4776, 6540), (4905, 6368), (5232, 5970)]