255156720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1712

約数の個数: 240

約数和(自身を含む): 991499040

約数和(自身を除く): 736342320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 546, 560, 588, 624, 637, 728, 735, 780, 784, 840, 910, 980, 1040, 1092, 1176, 1274, 1365, 1456, 1470, 1560, 1669, 1680, 1820, 1911, 1960, 2184, 2352, 2548, 2730, 2940, 3120, 3185, 3338, 3640, 3822, 3920, 4368, 5007, 5096, 5460, 5880, 6370, 6676, 7280, 7644, 8345, 9555, 10014, 10192, 10920, 11683, 11760, 12740, 13352, 15288, 16690, 19110, 20028, 21697, 21840, 23366, 25035, 25480, 26704, 30576, 33380, 35049, 38220, 40056, 43394, 46732, 50070, 50960, 58415, 65091, 66760, 70098, 76440, 80112, 81781, 86788, 93464, 100140, 108485, 116830, 130182, 133520, 140196, 151879, 152880, 163562, 173576, 175245, 186928, 200280, 216970, 233660, 245343, 260364, 280392, 303758, 325455, 327124, 347152, 350490, 400560, 408905, 433940, 455637, 467320, 490686, 520728, 560784, 607516, 650910, 654248, 700980, 759395, 817810, 867880, 911274, 934640, 981372, 1041456, 1063153, 1215032, 1226715, 1301820, 1308496, 1401960, 1518790, 1635620, 1735760, 1822548, 1962744, 2126306, 2278185, 2430064, 2453430, 2603640, 2803920, 3037580, 3189459, 3271240, 3645096, 3925488, 4252612, 4556370, 4906860, 5207280, 5315765, 6075160, 6378918, 6542480, 7290192, 8505224, 9112740, 9813720, 10631530, 12150320, 12757836, 15947295, 17010448, 18225480, 19627440, 21263060, 25515672, 31894590, 36450960, 42526120, 51031344, 63789180, 85052240, 127578360, 255156720]

約数ペア:

[(1, 255156720), (2, 127578360), (3, 85052240), (4, 63789180), (5, 51031344), (6, 42526120), (7, 36450960), (8, 31894590), (10, 25515672), (12, 21263060), (13, 19627440), (14, 18225480), (15, 17010448), (16, 15947295), (20, 12757836), (21, 12150320), (24, 10631530), (26, 9813720), (28, 9112740), (30, 8505224), (35, 7290192), (39, 6542480), (40, 6378918), (42, 6075160), (48, 5315765), (49, 5207280), (52, 4906860), (56, 4556370), (60, 4252612), (65, 3925488), (70, 3645096), (78, 3271240), (80, 3189459), (84, 3037580), (91, 2803920), (98, 2603640), (104, 2453430), (105, 2430064), (112, 2278185), (120, 2126306), (130, 1962744), (140, 1822548), (147, 1735760), (156, 1635620), (168, 1518790), (182, 1401960), (195, 1308496), (196, 1301820), (208, 1226715), (210, 1215032), (240, 1063153), (245, 1041456), (260, 981372), (273, 934640), (280, 911274), (294, 867880), (312, 817810), (336, 759395), (364, 700980), (390, 654248), (392, 650910), (420, 607516), (455, 560784), (490, 520728), (520, 490686), (546, 467320), (560, 455637), (588, 433940), (624, 408905), (637, 400560), (728, 350490), (735, 347152), (780, 327124), (784, 325455), (840, 303758), (910, 280392), (980, 260364), (1040, 245343), (1092, 233660), (1176, 216970), (1274, 200280), (1365, 186928), (1456, 175245), (1470, 173576), (1560, 163562), (1669, 152880), (1680, 151879), (1820, 140196), (1911, 133520), (1960, 130182), (2184, 116830), (2352, 108485), (2548, 100140), (2730, 93464), (2940, 86788), (3120, 81781), (3185, 80112), (3338, 76440), (3640, 70098), (3822, 66760), (3920, 65091), (4368, 58415), (5007, 50960), (5096, 50070), (5460, 46732), (5880, 43394), (6370, 40056), (6676, 38220), (7280, 35049), (7644, 33380), (8345, 30576), (9555, 26704), (10014, 25480), (10192, 25035), (10920, 23366), (11683, 21840), (11760, 21697), (12740, 20028), (13352, 19110), (15288, 16690)]