80280720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:991

約数の個数: 200

約数和(自身を含む): 300590136

約数和(自身を除く): 220309416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 104, 108, 117, 120, 130, 135, 144, 156, 162, 180, 195, 208, 216, 234, 240, 260, 270, 312, 324, 351, 360, 390, 405, 432, 468, 520, 540, 585, 624, 648, 702, 720, 780, 810, 936, 953, 1040, 1053, 1080, 1170, 1296, 1404, 1560, 1620, 1755, 1872, 1906, 2106, 2160, 2340, 2808, 2859, 3120, 3240, 3510, 3812, 4212, 4680, 4765, 5265, 5616, 5718, 6480, 7020, 7624, 8424, 8577, 9360, 9530, 10530, 11436, 12389, 14040, 14295, 15248, 16848, 17154, 19060, 21060, 22872, 24778, 25731, 28080, 28590, 34308, 37167, 38120, 42120, 42885, 45744, 49556, 51462, 57180, 61945, 68616, 74334, 76240, 77193, 84240, 85770, 99112, 102924, 111501, 114360, 123890, 128655, 137232, 148668, 154386, 171540, 185835, 198224, 205848, 223002, 228720, 247780, 257310, 297336, 308772, 334503, 343080, 371670, 385965, 411696, 446004, 495560, 514620, 557505, 594672, 617544, 669006, 686160, 743340, 771930, 892008, 991120, 1003509, 1029240, 1115010, 1235088, 1338012, 1486680, 1543860, 1672515, 1784016, 2007018, 2058480, 2230020, 2676024, 2973360, 3087720, 3345030, 4014036, 4460040, 5017545, 5352048, 6175440, 6690060, 8028072, 8920080, 10035090, 13380120, 16056144, 20070180, 26760240, 40140360, 80280720]

約数ペア:

[(1, 80280720), (2, 40140360), (3, 26760240), (4, 20070180), (5, 16056144), (6, 13380120), (8, 10035090), (9, 8920080), (10, 8028072), (12, 6690060), (13, 6175440), (15, 5352048), (16, 5017545), (18, 4460040), (20, 4014036), (24, 3345030), (26, 3087720), (27, 2973360), (30, 2676024), (36, 2230020), (39, 2058480), (40, 2007018), (45, 1784016), (48, 1672515), (52, 1543860), (54, 1486680), (60, 1338012), (65, 1235088), (72, 1115010), (78, 1029240), (80, 1003509), (81, 991120), (90, 892008), (104, 771930), (108, 743340), (117, 686160), (120, 669006), (130, 617544), (135, 594672), (144, 557505), (156, 514620), (162, 495560), (180, 446004), (195, 411696), (208, 385965), (216, 371670), (234, 343080), (240, 334503), (260, 308772), (270, 297336), (312, 257310), (324, 247780), (351, 228720), (360, 223002), (390, 205848), (405, 198224), (432, 185835), (468, 171540), (520, 154386), (540, 148668), (585, 137232), (624, 128655), (648, 123890), (702, 114360), (720, 111501), (780, 102924), (810, 99112), (936, 85770), (953, 84240), (1040, 77193), (1053, 76240), (1080, 74334), (1170, 68616), (1296, 61945), (1404, 57180), (1560, 51462), (1620, 49556), (1755, 45744), (1872, 42885), (1906, 42120), (2106, 38120), (2160, 37167), (2340, 34308), (2808, 28590), (2859, 28080), (3120, 25731), (3240, 24778), (3510, 22872), (3812, 21060), (4212, 19060), (4680, 17154), (4765, 16848), (5265, 15248), (5616, 14295), (5718, 14040), (6480, 12389), (7020, 11436), (7624, 10530), (8424, 9530), (8577, 9360)]