1248796640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:665

約数の個数: 192

約数和(自身を含む): 3657830400

約数和(自身を除く): 2409033760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 199, 208, 224, 260, 280, 364, 398, 416, 431, 455, 520, 560, 728, 796, 862, 910, 995, 1040, 1120, 1393, 1456, 1592, 1724, 1820, 1990, 2080, 2155, 2587, 2786, 2912, 3017, 3184, 3448, 3640, 3980, 4310, 5174, 5572, 5603, 6034, 6368, 6896, 6965, 7280, 7960, 8620, 10348, 11144, 11206, 12068, 12935, 13792, 13930, 14560, 15085, 15920, 17240, 18109, 20696, 22288, 22412, 24136, 25870, 27860, 28015, 30170, 31840, 34480, 36218, 39221, 41392, 44576, 44824, 48272, 51740, 55720, 56030, 60340, 68960, 72436, 78442, 82784, 85769, 89648, 90545, 96544, 103480, 111440, 112060, 120680, 144872, 156884, 171538, 179296, 181090, 196105, 206960, 222880, 224120, 241360, 289744, 313768, 343076, 362180, 392210, 413920, 428845, 448240, 482720, 579488, 600383, 627536, 686152, 724360, 784420, 857690, 896480, 1114997, 1200766, 1255072, 1372304, 1448720, 1568840, 1715380, 2229994, 2401532, 2744608, 2897440, 3001915, 3137680, 3430760, 4459988, 4803064, 5574985, 6003830, 6275360, 6861520, 7804979, 8919976, 9606128, 11149970, 12007660, 13723040, 15609958, 17839952, 19212256, 22299940, 24015320, 31219916, 35679904, 39024895, 44599880, 48030640, 62439832, 78049790, 89199760, 96061280, 124879664, 156099580, 178399520, 249759328, 312199160, 624398320, 1248796640]

約数ペア:

[(1, 1248796640), (2, 624398320), (4, 312199160), (5, 249759328), (7, 178399520), (8, 156099580), (10, 124879664), (13, 96061280), (14, 89199760), (16, 78049790), (20, 62439832), (26, 48030640), (28, 44599880), (32, 39024895), (35, 35679904), (40, 31219916), (52, 24015320), (56, 22299940), (65, 19212256), (70, 17839952), (80, 15609958), (91, 13723040), (104, 12007660), (112, 11149970), (130, 9606128), (140, 8919976), (160, 7804979), (182, 6861520), (199, 6275360), (208, 6003830), (224, 5574985), (260, 4803064), (280, 4459988), (364, 3430760), (398, 3137680), (416, 3001915), (431, 2897440), (455, 2744608), (520, 2401532), (560, 2229994), (728, 1715380), (796, 1568840), (862, 1448720), (910, 1372304), (995, 1255072), (1040, 1200766), (1120, 1114997), (1393, 896480), (1456, 857690), (1592, 784420), (1724, 724360), (1820, 686152), (1990, 627536), (2080, 600383), (2155, 579488), (2587, 482720), (2786, 448240), (2912, 428845), (3017, 413920), (3184, 392210), (3448, 362180), (3640, 343076), (3980, 313768), (4310, 289744), (5174, 241360), (5572, 224120), (5603, 222880), (6034, 206960), (6368, 196105), (6896, 181090), (6965, 179296), (7280, 171538), (7960, 156884), (8620, 144872), (10348, 120680), (11144, 112060), (11206, 111440), (12068, 103480), (12935, 96544), (13792, 90545), (13930, 89648), (14560, 85769), (15085, 82784), (15920, 78442), (17240, 72436), (18109, 68960), (20696, 60340), (22288, 56030), (22412, 55720), (24136, 51740), (25870, 48272), (27860, 44824), (28015, 44576), (30170, 41392), (31840, 39221), (34480, 36218)]