645942080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{631}}^1$

素因数の和:1112

約数の個数: 112

約数和(自身を含む): 1764523776

約数和(自身を除く): 1118581696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 457, 560, 631, 914, 1120, 1262, 1828, 2240, 2285, 2524, 3155, 3199, 3656, 4417, 4570, 5048, 6310, 6398, 7312, 8834, 9140, 10096, 12620, 12796, 14624, 15995, 17668, 18280, 20192, 22085, 25240, 25592, 29248, 31990, 35336, 36560, 40384, 44170, 50480, 51184, 63980, 70672, 73120, 88340, 100960, 102368, 127960, 141344, 146240, 176680, 201920, 204736, 255920, 282688, 288367, 353360, 511840, 576734, 706720, 1023680, 1153468, 1413440, 1441835, 2018569, 2306936, 2883670, 4037138, 4613872, 5767340, 8074276, 9227744, 10092845, 11534680, 16148552, 18455488, 20185690, 23069360, 32297104, 40371380, 46138720, 64594208, 80742760, 92277440, 129188416, 161485520, 322971040, 645942080]

約数ペア:

[(1, 645942080), (2, 322971040), (4, 161485520), (5, 129188416), (7, 92277440), (8, 80742760), (10, 64594208), (14, 46138720), (16, 40371380), (20, 32297104), (28, 23069360), (32, 20185690), (35, 18455488), (40, 16148552), (56, 11534680), (64, 10092845), (70, 9227744), (80, 8074276), (112, 5767340), (140, 4613872), (160, 4037138), (224, 2883670), (280, 2306936), (320, 2018569), (448, 1441835), (457, 1413440), (560, 1153468), (631, 1023680), (914, 706720), (1120, 576734), (1262, 511840), (1828, 353360), (2240, 288367), (2285, 282688), (2524, 255920), (3155, 204736), (3199, 201920), (3656, 176680), (4417, 146240), (4570, 141344), (5048, 127960), (6310, 102368), (6398, 100960), (7312, 88340), (8834, 73120), (9140, 70672), (10096, 63980), (12620, 51184), (12796, 50480), (14624, 44170), (15995, 40384), (17668, 36560), (18280, 35336), (20192, 31990), (22085, 29248), (25240, 25592)]