276481520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 753420528

約数和(自身を除く): 476939008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 251, 280, 281, 392, 490, 502, 560, 562, 784, 980, 1004, 1124, 1255, 1405, 1757, 1960, 1967, 2008, 2248, 2510, 2810, 3514, 3920, 3934, 4016, 4496, 5020, 5620, 7028, 7868, 8785, 9835, 10040, 11240, 12299, 13769, 14056, 15736, 17570, 19670, 20080, 22480, 24598, 27538, 28112, 31472, 35140, 39340, 49196, 55076, 61495, 68845, 70280, 70531, 78680, 98392, 110152, 122990, 137690, 140560, 141062, 157360, 196784, 220304, 245980, 275380, 282124, 352655, 491960, 493717, 550760, 564248, 705310, 983920, 987434, 1101520, 1128496, 1410620, 1974868, 2468585, 2821240, 3456019, 3949736, 4937170, 5642480, 6912038, 7899472, 9874340, 13824076, 17280095, 19748680, 27648152, 34560190, 39497360, 55296304, 69120380, 138240760, 276481520]

約数ペア:

[(1, 276481520), (2, 138240760), (4, 69120380), (5, 55296304), (7, 39497360), (8, 34560190), (10, 27648152), (14, 19748680), (16, 17280095), (20, 13824076), (28, 9874340), (35, 7899472), (40, 6912038), (49, 5642480), (56, 4937170), (70, 3949736), (80, 3456019), (98, 2821240), (112, 2468585), (140, 1974868), (196, 1410620), (245, 1128496), (251, 1101520), (280, 987434), (281, 983920), (392, 705310), (490, 564248), (502, 550760), (560, 493717), (562, 491960), (784, 352655), (980, 282124), (1004, 275380), (1124, 245980), (1255, 220304), (1405, 196784), (1757, 157360), (1960, 141062), (1967, 140560), (2008, 137690), (2248, 122990), (2510, 110152), (2810, 98392), (3514, 78680), (3920, 70531), (3934, 70280), (4016, 68845), (4496, 61495), (5020, 55076), (5620, 49196), (7028, 39340), (7868, 35140), (8785, 31472), (9835, 28112), (10040, 27538), (11240, 24598), (12299, 22480), (13769, 20080), (14056, 19670), (15736, 17570)]