748475820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{8681}}^1$

素因数の和:9175

約数の個数: 72

約数和(自身を含む): 2275378560

約数和(自身を除く): 1526902740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 479, 958, 1437, 1916, 2395, 2874, 4311, 4790, 5748, 7185, 8622, 8681, 9580, 14370, 17244, 17362, 21555, 26043, 28740, 34724, 43110, 43405, 52086, 78129, 86220, 86810, 104172, 130215, 156258, 173620, 260430, 312516, 390645, 520860, 781290, 1562580, 4158199, 8316398, 12474597, 16632796, 20790995, 24949194, 37423791, 41581990, 49898388, 62372985, 74847582, 83163980, 124745970, 149695164, 187118955, 249491940, 374237910, 748475820]

約数ペア:

[(1, 748475820), (2, 374237910), (3, 249491940), (4, 187118955), (5, 149695164), (6, 124745970), (9, 83163980), (10, 74847582), (12, 62372985), (15, 49898388), (18, 41581990), (20, 37423791), (30, 24949194), (36, 20790995), (45, 16632796), (60, 12474597), (90, 8316398), (180, 4158199), (479, 1562580), (958, 781290), (1437, 520860), (1916, 390645), (2395, 312516), (2874, 260430), (4311, 173620), (4790, 156258), (5748, 130215), (7185, 104172), (8622, 86810), (8681, 86220), (9580, 78129), (14370, 52086), (17244, 43405), (17362, 43110), (21555, 34724), (26043, 28740)]