208939680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:783

約数の個数: 144

約数和(自身を含む): 716756040

約数和(自身を除く): 507816360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 373, 389, 480, 720, 746, 778, 1119, 1167, 1440, 1492, 1556, 1865, 1945, 2238, 2334, 2984, 3112, 3357, 3501, 3730, 3890, 4476, 4668, 5595, 5835, 5968, 6224, 6714, 7002, 7460, 7780, 8952, 9336, 11190, 11670, 11936, 12448, 13428, 14004, 14920, 15560, 16785, 17505, 17904, 18672, 22380, 23340, 26856, 28008, 29840, 31120, 33570, 35010, 35808, 37344, 44760, 46680, 53712, 56016, 59680, 62240, 67140, 70020, 89520, 93360, 107424, 112032, 134280, 140040, 145097, 179040, 186720, 268560, 280080, 290194, 435291, 537120, 560160, 580388, 725485, 870582, 1160776, 1305873, 1450970, 1741164, 2176455, 2321552, 2611746, 2901940, 3482328, 4352910, 4643104, 5223492, 5803880, 6529365, 6964656, 8705820, 10446984, 11607760, 13058730, 13929312, 17411640, 20893968, 23215520, 26117460, 34823280, 41787936, 52234920, 69646560, 104469840, 208939680]

約数ペア:

[(1, 208939680), (2, 104469840), (3, 69646560), (4, 52234920), (5, 41787936), (6, 34823280), (8, 26117460), (9, 23215520), (10, 20893968), (12, 17411640), (15, 13929312), (16, 13058730), (18, 11607760), (20, 10446984), (24, 8705820), (30, 6964656), (32, 6529365), (36, 5803880), (40, 5223492), (45, 4643104), (48, 4352910), (60, 3482328), (72, 2901940), (80, 2611746), (90, 2321552), (96, 2176455), (120, 1741164), (144, 1450970), (160, 1305873), (180, 1160776), (240, 870582), (288, 725485), (360, 580388), (373, 560160), (389, 537120), (480, 435291), (720, 290194), (746, 280080), (778, 268560), (1119, 186720), (1167, 179040), (1440, 145097), (1492, 140040), (1556, 134280), (1865, 112032), (1945, 107424), (2238, 93360), (2334, 89520), (2984, 70020), (3112, 67140), (3357, 62240), (3501, 59680), (3730, 56016), (3890, 53712), (4476, 46680), (4668, 44760), (5595, 37344), (5835, 35808), (5968, 35010), (6224, 33570), (6714, 31120), (7002, 29840), (7460, 28008), (7780, 26856), (8952, 23340), (9336, 22380), (11190, 18672), (11670, 17904), (11936, 17505), (12448, 16785), (13428, 15560), (14004, 14920)]