1285264960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:361

約数の個数: 224

約数和(自身を含む): 3670474752

約数和(自身を除く): 2385209792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 83, 112, 124, 140, 155, 160, 166, 217, 223, 224, 248, 280, 310, 320, 332, 415, 434, 446, 448, 496, 560, 581, 620, 664, 830, 868, 892, 992, 1085, 1115, 1120, 1162, 1240, 1328, 1561, 1660, 1736, 1784, 1984, 2170, 2230, 2240, 2324, 2480, 2573, 2656, 2905, 3122, 3320, 3472, 3568, 4340, 4460, 4648, 4960, 5146, 5312, 5810, 6244, 6640, 6913, 6944, 7136, 7805, 8680, 8920, 9296, 9920, 10292, 11620, 12488, 12865, 13280, 13826, 13888, 14272, 15610, 17360, 17840, 18011, 18509, 18592, 20584, 23240, 24976, 25730, 26560, 27652, 31220, 34565, 34720, 35680, 36022, 37018, 37184, 41168, 46480, 48391, 49952, 51460, 55304, 62440, 69130, 69440, 71360, 72044, 74036, 82336, 90055, 92545, 92960, 96782, 99904, 102920, 110608, 124880, 129563, 138260, 144088, 148072, 164672, 180110, 185090, 185920, 193564, 205840, 221216, 241955, 249760, 259126, 276520, 288176, 296144, 360220, 370180, 387128, 411680, 442432, 483910, 499520, 518252, 553040, 573779, 576352, 592288, 647815, 720440, 740360, 774256, 823360, 967820, 1036504, 1106080, 1147558, 1152704, 1184576, 1295630, 1440880, 1480720, 1548512, 1935640, 2073008, 2212160, 2295116, 2591260, 2868895, 2881760, 2961440, 3097024, 3871280, 4016453, 4146016, 4590232, 5182520, 5737790, 5763520, 5922880, 7742560, 8032906, 8292032, 9180464, 10365040, 11475580, 15485120, 16065812, 18360928, 20082265, 20730080, 22951160, 32131624, 36721856, 40164530, 41460160, 45902320, 64263248, 80329060, 91804640, 128526496, 160658120, 183609280, 257052992, 321316240, 642632480, 1285264960]

約数ペア:

[(1, 1285264960), (2, 642632480), (4, 321316240), (5, 257052992), (7, 183609280), (8, 160658120), (10, 128526496), (14, 91804640), (16, 80329060), (20, 64263248), (28, 45902320), (31, 41460160), (32, 40164530), (35, 36721856), (40, 32131624), (56, 22951160), (62, 20730080), (64, 20082265), (70, 18360928), (80, 16065812), (83, 15485120), (112, 11475580), (124, 10365040), (140, 9180464), (155, 8292032), (160, 8032906), (166, 7742560), (217, 5922880), (223, 5763520), (224, 5737790), (248, 5182520), (280, 4590232), (310, 4146016), (320, 4016453), (332, 3871280), (415, 3097024), (434, 2961440), (446, 2881760), (448, 2868895), (496, 2591260), (560, 2295116), (581, 2212160), (620, 2073008), (664, 1935640), (830, 1548512), (868, 1480720), (892, 1440880), (992, 1295630), (1085, 1184576), (1115, 1152704), (1120, 1147558), (1162, 1106080), (1240, 1036504), (1328, 967820), (1561, 823360), (1660, 774256), (1736, 740360), (1784, 720440), (1984, 647815), (2170, 592288), (2230, 576352), (2240, 573779), (2324, 553040), (2480, 518252), (2573, 499520), (2656, 483910), (2905, 442432), (3122, 411680), (3320, 387128), (3472, 370180), (3568, 360220), (4340, 296144), (4460, 288176), (4648, 276520), (4960, 259126), (5146, 249760), (5312, 241955), (5810, 221216), (6244, 205840), (6640, 193564), (6913, 185920), (6944, 185090), (7136, 180110), (7805, 164672), (8680, 148072), (8920, 144088), (9296, 138260), (9920, 129563), (10292, 124880), (11620, 110608), (12488, 102920), (12865, 99904), (13280, 96782), (13826, 92960), (13888, 92545), (14272, 90055), (15610, 82336), (17360, 74036), (17840, 72044), (18011, 71360), (18509, 69440), (18592, 69130), (20584, 62440), (23240, 55304), (24976, 51460), (25730, 49952), (26560, 48391), (27652, 46480), (31220, 41168), (34565, 37184), (34720, 37018), (35680, 36022)]