31907200

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^2\times {\mathrm{59}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 86796900

約数和(自身を除く): 54889700

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 59, 64, 65, 80, 100, 104, 118, 128, 130, 160, 169, 200, 208, 236, 260, 295, 320, 325, 338, 400, 416, 472, 520, 590, 640, 650, 676, 767, 800, 832, 845, 944, 1040, 1180, 1300, 1352, 1475, 1534, 1600, 1664, 1690, 1888, 2080, 2360, 2600, 2704, 2950, 3068, 3200, 3380, 3776, 3835, 4160, 4225, 4720, 5200, 5408, 5900, 6136, 6760, 7552, 7670, 8320, 8450, 9440, 9971, 10400, 10816, 11800, 12272, 13520, 15340, 16900, 18880, 19175, 19942, 20800, 21632, 23600, 24544, 27040, 30680, 33800, 37760, 38350, 39884, 41600, 47200, 49088, 49855, 54080, 61360, 67600, 76700, 79768, 94400, 98176, 99710, 108160, 122720, 135200, 153400, 159536, 188800, 199420, 245440, 249275, 270400, 306800, 319072, 398840, 490880, 498550, 540800, 613600, 638144, 797680, 997100, 1227200, 1276288, 1595360, 1994200, 2454400, 3190720, 3988400, 6381440, 7976800, 15953600, 31907200]

約数ペア:

[(1, 31907200), (2, 15953600), (4, 7976800), (5, 6381440), (8, 3988400), (10, 3190720), (13, 2454400), (16, 1994200), (20, 1595360), (25, 1276288), (26, 1227200), (32, 997100), (40, 797680), (50, 638144), (52, 613600), (59, 540800), (64, 498550), (65, 490880), (80, 398840), (100, 319072), (104, 306800), (118, 270400), (128, 249275), (130, 245440), (160, 199420), (169, 188800), (200, 159536), (208, 153400), (236, 135200), (260, 122720), (295, 108160), (320, 99710), (325, 98176), (338, 94400), (400, 79768), (416, 76700), (472, 67600), (520, 61360), (590, 54080), (640, 49855), (650, 49088), (676, 47200), (767, 41600), (800, 39884), (832, 38350), (845, 37760), (944, 33800), (1040, 30680), (1180, 27040), (1300, 24544), (1352, 23600), (1475, 21632), (1534, 20800), (1600, 19942), (1664, 19175), (1690, 18880), (1888, 16900), (2080, 15340), (2360, 13520), (2600, 12272), (2704, 11800), (2950, 10816), (3068, 10400), (3200, 9971), (3380, 9440), (3776, 8450), (3835, 8320), (4160, 7670), (4225, 7552), (4720, 6760), (5200, 6136), (5408, 5900)]