127725760

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 112

約数和(自身を含む): 328854816

約数和(自身を除く): 201129056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 53, 64, 68, 80, 85, 106, 136, 160, 170, 212, 265, 272, 320, 340, 424, 443, 530, 544, 680, 848, 886, 901, 1060, 1088, 1360, 1696, 1772, 1802, 2120, 2215, 2720, 3392, 3544, 3604, 4240, 4430, 4505, 5440, 7088, 7208, 7531, 8480, 8860, 9010, 14176, 14416, 15062, 16960, 17720, 18020, 23479, 28352, 28832, 30124, 35440, 36040, 37655, 46958, 57664, 60248, 70880, 72080, 75310, 93916, 117395, 120496, 141760, 144160, 150620, 187832, 234790, 240992, 288320, 301240, 375664, 399143, 469580, 481984, 602480, 751328, 798286, 939160, 1204960, 1502656, 1596572, 1878320, 1995715, 2409920, 3193144, 3756640, 3991430, 6386288, 7513280, 7982860, 12772576, 15965720, 25545152, 31931440, 63862880, 127725760]

約数ペア:

[(1, 127725760), (2, 63862880), (4, 31931440), (5, 25545152), (8, 15965720), (10, 12772576), (16, 7982860), (17, 7513280), (20, 6386288), (32, 3991430), (34, 3756640), (40, 3193144), (53, 2409920), (64, 1995715), (68, 1878320), (80, 1596572), (85, 1502656), (106, 1204960), (136, 939160), (160, 798286), (170, 751328), (212, 602480), (265, 481984), (272, 469580), (320, 399143), (340, 375664), (424, 301240), (443, 288320), (530, 240992), (544, 234790), (680, 187832), (848, 150620), (886, 144160), (901, 141760), (1060, 120496), (1088, 117395), (1360, 93916), (1696, 75310), (1772, 72080), (1802, 70880), (2120, 60248), (2215, 57664), (2720, 46958), (3392, 37655), (3544, 36040), (3604, 35440), (4240, 30124), (4430, 28832), (4505, 28352), (5440, 23479), (7088, 18020), (7208, 17720), (7531, 16960), (8480, 15062), (8860, 14416), (9010, 14176)]