254451720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1055

約数の個数: 128

約数和(自身を含む): 799626240

約数和(自身を除く): 545174520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 73, 93, 120, 124, 146, 155, 186, 219, 248, 292, 310, 365, 372, 438, 465, 584, 620, 730, 744, 876, 930, 937, 1095, 1240, 1460, 1752, 1860, 1874, 2190, 2263, 2811, 2920, 3720, 3748, 4380, 4526, 4685, 5622, 6789, 7496, 8760, 9052, 9370, 11244, 11315, 13578, 14055, 18104, 18740, 22488, 22630, 27156, 28110, 29047, 33945, 37480, 45260, 54312, 56220, 58094, 67890, 68401, 87141, 90520, 112440, 116188, 135780, 136802, 145235, 174282, 205203, 232376, 271560, 273604, 290470, 342005, 348564, 410406, 435705, 547208, 580940, 684010, 697128, 820812, 871410, 1026015, 1161880, 1368020, 1641624, 1742820, 2052030, 2120431, 2736040, 3485640, 4104060, 4240862, 6361293, 8208120, 8481724, 10602155, 12722586, 16963448, 21204310, 25445172, 31806465, 42408620, 50890344, 63612930, 84817240, 127225860, 254451720]

約数ペア:

[(1, 254451720), (2, 127225860), (3, 84817240), (4, 63612930), (5, 50890344), (6, 42408620), (8, 31806465), (10, 25445172), (12, 21204310), (15, 16963448), (20, 12722586), (24, 10602155), (30, 8481724), (31, 8208120), (40, 6361293), (60, 4240862), (62, 4104060), (73, 3485640), (93, 2736040), (120, 2120431), (124, 2052030), (146, 1742820), (155, 1641624), (186, 1368020), (219, 1161880), (248, 1026015), (292, 871410), (310, 820812), (365, 697128), (372, 684010), (438, 580940), (465, 547208), (584, 435705), (620, 410406), (730, 348564), (744, 342005), (876, 290470), (930, 273604), (937, 271560), (1095, 232376), (1240, 205203), (1460, 174282), (1752, 145235), (1860, 136802), (1874, 135780), (2190, 116188), (2263, 112440), (2811, 90520), (2920, 87141), (3720, 68401), (3748, 67890), (4380, 58094), (4526, 56220), (4685, 54312), (5622, 45260), (6789, 37480), (7496, 33945), (8760, 29047), (9052, 28110), (9370, 27156), (11244, 22630), (11315, 22488), (13578, 18740), (14055, 18104)]