255810240

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{12689}}^1$

素因数の和:12719

約数の個数: 168

約数和(自身を含む): 1005657120

約数和(自身を除く): 749846880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 12689, 20160, 25378, 38067, 50756, 63445, 76134, 88823, 101512, 114201, 126890, 152268, 177646, 190335, 203024, 228402, 253780, 266469, 304536, 355292, 380670, 406048, 444115, 456804, 507560, 532938, 571005, 609072, 710584, 761340, 799407, 812096, 888230, 913608, 1015120, 1065876, 1142010, 1218144, 1332345, 1421168, 1522680, 1598814, 1776460, 1827216, 2030240, 2131752, 2284020, 2436288, 2664690, 2842336, 3045360, 3197628, 3552920, 3654432, 3997035, 4060480, 4263504, 4568040, 5329380, 5684672, 6090720, 6395256, 7105840, 7308864, 7994070, 8527008, 9136080, 10658760, 12181440, 12790512, 14211680, 15988140, 17054016, 18272160, 21317520, 25581024, 28423360, 31976280, 36544320, 42635040, 51162048, 63952560, 85270080, 127905120, 255810240]

約数ペア:

[(1, 255810240), (2, 127905120), (3, 85270080), (4, 63952560), (5, 51162048), (6, 42635040), (7, 36544320), (8, 31976280), (9, 28423360), (10, 25581024), (12, 21317520), (14, 18272160), (15, 17054016), (16, 15988140), (18, 14211680), (20, 12790512), (21, 12181440), (24, 10658760), (28, 9136080), (30, 8527008), (32, 7994070), (35, 7308864), (36, 7105840), (40, 6395256), (42, 6090720), (45, 5684672), (48, 5329380), (56, 4568040), (60, 4263504), (63, 4060480), (64, 3997035), (70, 3654432), (72, 3552920), (80, 3197628), (84, 3045360), (90, 2842336), (96, 2664690), (105, 2436288), (112, 2284020), (120, 2131752), (126, 2030240), (140, 1827216), (144, 1776460), (160, 1598814), (168, 1522680), (180, 1421168), (192, 1332345), (210, 1218144), (224, 1142010), (240, 1065876), (252, 1015120), (280, 913608), (288, 888230), (315, 812096), (320, 799407), (336, 761340), (360, 710584), (420, 609072), (448, 571005), (480, 532938), (504, 507560), (560, 456804), (576, 444115), (630, 406048), (672, 380670), (720, 355292), (840, 304536), (960, 266469), (1008, 253780), (1120, 228402), (1260, 203024), (1344, 190335), (1440, 177646), (1680, 152268), (2016, 126890), (2240, 114201), (2520, 101512), (2880, 88823), (3360, 76134), (4032, 63445), (5040, 50756), (6720, 38067), (10080, 25378), (12689, 20160)]