659789440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1871}}^1$

素因数の和:1938

約数の個数: 128

約数和(自身を含む): 1718496000

約数和(自身を除く): 1058706560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 64, 76, 80, 95, 116, 128, 145, 152, 160, 190, 232, 290, 304, 320, 380, 464, 551, 580, 608, 640, 760, 928, 1102, 1160, 1216, 1520, 1856, 1871, 2204, 2320, 2432, 2755, 3040, 3712, 3742, 4408, 4640, 5510, 6080, 7484, 8816, 9280, 9355, 11020, 12160, 14968, 17632, 18560, 18710, 22040, 29936, 35264, 35549, 37420, 44080, 54259, 59872, 70528, 71098, 74840, 88160, 108518, 119744, 142196, 149680, 176320, 177745, 217036, 239488, 271295, 284392, 299360, 352640, 355490, 434072, 542590, 568784, 598720, 710980, 868144, 1030921, 1085180, 1137568, 1197440, 1421960, 1736288, 2061842, 2170360, 2275136, 2843920, 3472576, 4123684, 4340720, 4550272, 5154605, 5687840, 6945152, 8247368, 8681440, 10309210, 11375680, 16494736, 17362880, 20618420, 22751360, 32989472, 34725760, 41236840, 65978944, 82473680, 131957888, 164947360, 329894720, 659789440]

約数ペア:

[(1, 659789440), (2, 329894720), (4, 164947360), (5, 131957888), (8, 82473680), (10, 65978944), (16, 41236840), (19, 34725760), (20, 32989472), (29, 22751360), (32, 20618420), (38, 17362880), (40, 16494736), (58, 11375680), (64, 10309210), (76, 8681440), (80, 8247368), (95, 6945152), (116, 5687840), (128, 5154605), (145, 4550272), (152, 4340720), (160, 4123684), (190, 3472576), (232, 2843920), (290, 2275136), (304, 2170360), (320, 2061842), (380, 1736288), (464, 1421960), (551, 1197440), (580, 1137568), (608, 1085180), (640, 1030921), (760, 868144), (928, 710980), (1102, 598720), (1160, 568784), (1216, 542590), (1520, 434072), (1856, 355490), (1871, 352640), (2204, 299360), (2320, 284392), (2432, 271295), (2755, 239488), (3040, 217036), (3712, 177745), (3742, 176320), (4408, 149680), (4640, 142196), (5510, 119744), (6080, 108518), (7484, 88160), (8816, 74840), (9280, 71098), (9355, 70528), (11020, 59872), (12160, 54259), (14968, 44080), (17632, 37420), (18560, 35549), (18710, 35264), (22040, 29936)]