31520160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 127370880

約数和(自身を除く): 95850720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 56, 59, 60, 63, 70, 72, 80, 84, 90, 96, 105, 106, 112, 118, 120, 126, 140, 144, 159, 160, 168, 177, 180, 210, 212, 224, 236, 240, 252, 265, 280, 288, 295, 315, 318, 336, 354, 360, 371, 413, 420, 424, 472, 477, 480, 504, 530, 531, 560, 590, 630, 636, 672, 708, 720, 742, 795, 826, 840, 848, 885, 944, 954, 1008, 1060, 1062, 1113, 1120, 1180, 1239, 1260, 1272, 1416, 1440, 1484, 1590, 1652, 1680, 1696, 1770, 1855, 1888, 1908, 2016, 2065, 2120, 2124, 2226, 2360, 2385, 2478, 2520, 2544, 2655, 2832, 2968, 3127, 3180, 3304, 3339, 3360, 3540, 3710, 3717, 3816, 4130, 4240, 4248, 4452, 4720, 4770, 4956, 5040, 5088, 5310, 5565, 5664, 5936, 6195, 6254, 6360, 6608, 6678, 7080, 7420, 7434, 7632, 8260, 8480, 8496, 8904, 9381, 9440, 9540, 9912, 10080, 10620, 11130, 11872, 12390, 12508, 12720, 13216, 13356, 14160, 14840, 14868, 15264, 15635, 16520, 16695, 16992, 17808, 18585, 18762, 19080, 19824, 21240, 21889, 22260, 24780, 25016, 25440, 26712, 28143, 28320, 29680, 29736, 31270, 33040, 33390, 35616, 37170, 37524, 38160, 39648, 42480, 43778, 44520, 46905, 49560, 50032, 53424, 56286, 59360, 59472, 62540, 65667, 66080, 66780, 74340, 75048, 76320, 84960, 87556, 89040, 93810, 99120, 100064, 106848, 109445, 112572, 118944, 125080, 131334, 133560, 140715, 148680, 150096, 175112, 178080, 187620, 197001, 198240, 218890, 225144, 250160, 262668, 267120, 281430, 297360, 300192, 328335, 350224, 375240, 394002, 437780, 450288, 500320, 525336, 534240, 562860, 594720, 656670, 700448, 750480, 788004, 875560, 900576, 985005, 1050672, 1125720, 1313340, 1500960, 1576008, 1751120, 1970010, 2101344, 2251440, 2626680, 3152016, 3502240, 3940020, 4502880, 5253360, 6304032, 7880040, 10506720, 15760080, 31520160]

約数ペア:

[(1, 31520160), (2, 15760080), (3, 10506720), (4, 7880040), (5, 6304032), (6, 5253360), (7, 4502880), (8, 3940020), (9, 3502240), (10, 3152016), (12, 2626680), (14, 2251440), (15, 2101344), (16, 1970010), (18, 1751120), (20, 1576008), (21, 1500960), (24, 1313340), (28, 1125720), (30, 1050672), (32, 985005), (35, 900576), (36, 875560), (40, 788004), (42, 750480), (45, 700448), (48, 656670), (53, 594720), (56, 562860), (59, 534240), (60, 525336), (63, 500320), (70, 450288), (72, 437780), (80, 394002), (84, 375240), (90, 350224), (96, 328335), (105, 300192), (106, 297360), (112, 281430), (118, 267120), (120, 262668), (126, 250160), (140, 225144), (144, 218890), (159, 198240), (160, 197001), (168, 187620), (177, 178080), (180, 175112), (210, 150096), (212, 148680), (224, 140715), (236, 133560), (240, 131334), (252, 125080), (265, 118944), (280, 112572), (288, 109445), (295, 106848), (315, 100064), (318, 99120), (336, 93810), (354, 89040), (360, 87556), (371, 84960), (413, 76320), (420, 75048), (424, 74340), (472, 66780), (477, 66080), (480, 65667), (504, 62540), (530, 59472), (531, 59360), (560, 56286), (590, 53424), (630, 50032), (636, 49560), (672, 46905), (708, 44520), (720, 43778), (742, 42480), (795, 39648), (826, 38160), (840, 37524), (848, 37170), (885, 35616), (944, 33390), (954, 33040), (1008, 31270), (1060, 29736), (1062, 29680), (1113, 28320), (1120, 28143), (1180, 26712), (1239, 25440), (1260, 25016), (1272, 24780), (1416, 22260), (1440, 21889), (1484, 21240), (1590, 19824), (1652, 19080), (1680, 18762), (1696, 18585), (1770, 17808), (1855, 16992), (1888, 16695), (1908, 16520), (2016, 15635), (2065, 15264), (2120, 14868), (2124, 14840), (2226, 14160), (2360, 13356), (2385, 13216), (2478, 12720), (2520, 12508), (2544, 12390), (2655, 11872), (2832, 11130), (2968, 10620), (3127, 10080), (3180, 9912), (3304, 9540), (3339, 9440), (3360, 9381), (3540, 8904), (3710, 8496), (3717, 8480), (3816, 8260), (4130, 7632), (4240, 7434), (4248, 7420), (4452, 7080), (4720, 6678), (4770, 6608), (4956, 6360), (5040, 6254), (5088, 6195), (5310, 5936), (5565, 5664)]