207908820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1051}}^1$

素因数の和:1230

約数の個数: 144

約数和(自身を含む): 726031488

約数和(自身を除く): 518122668

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 420, 471, 628, 630, 785, 942, 1051, 1099, 1260, 1413, 1570, 1884, 2102, 2198, 2355, 2826, 3140, 3153, 3297, 4204, 4396, 4710, 5255, 5495, 5652, 6306, 6594, 7065, 7357, 9420, 9459, 9891, 10510, 10990, 12612, 13188, 14130, 14714, 15765, 16485, 18918, 19782, 21020, 21980, 22071, 28260, 29428, 31530, 32970, 36785, 37836, 39564, 44142, 47295, 49455, 63060, 65940, 66213, 73570, 88284, 94590, 98910, 110355, 132426, 147140, 165007, 189180, 197820, 220710, 264852, 330014, 331065, 441420, 495021, 660028, 662130, 825035, 990042, 1155049, 1324260, 1485063, 1650070, 1980084, 2310098, 2475105, 2970126, 3300140, 3465147, 4620196, 4950210, 5775245, 5940252, 6930294, 7425315, 9900420, 10395441, 11550490, 13860588, 14850630, 17325735, 20790882, 23100980, 29701260, 34651470, 41581764, 51977205, 69302940, 103954410, 207908820]

約数ペア:

[(1, 207908820), (2, 103954410), (3, 69302940), (4, 51977205), (5, 41581764), (6, 34651470), (7, 29701260), (9, 23100980), (10, 20790882), (12, 17325735), (14, 14850630), (15, 13860588), (18, 11550490), (20, 10395441), (21, 9900420), (28, 7425315), (30, 6930294), (35, 5940252), (36, 5775245), (42, 4950210), (45, 4620196), (60, 3465147), (63, 3300140), (70, 2970126), (84, 2475105), (90, 2310098), (105, 1980084), (126, 1650070), (140, 1485063), (157, 1324260), (180, 1155049), (210, 990042), (252, 825035), (314, 662130), (315, 660028), (420, 495021), (471, 441420), (628, 331065), (630, 330014), (785, 264852), (942, 220710), (1051, 197820), (1099, 189180), (1260, 165007), (1413, 147140), (1570, 132426), (1884, 110355), (2102, 98910), (2198, 94590), (2355, 88284), (2826, 73570), (3140, 66213), (3153, 65940), (3297, 63060), (4204, 49455), (4396, 47295), (4710, 44142), (5255, 39564), (5495, 37836), (5652, 36785), (6306, 32970), (6594, 31530), (7065, 29428), (7357, 28260), (9420, 22071), (9459, 21980), (9891, 21020), (10510, 19782), (10990, 18918), (12612, 16485), (13188, 15765), (14130, 14714)]