1280388480

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{95267}}^1$

素因数の和:95296

約数の個数: 128

約数和(自身を含む): 4664321280

約数和(自身を除く): 3383932800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 95267, 190534, 285801, 381068, 476335, 571602, 666869, 762136, 952670, 1143204, 1333738, 1429005, 1524272, 1905340, 2000607, 2286408, 2667476, 2858010, 3048544, 3334345, 3810680, 4001214, 4572816, 5334952, 5716020, 6097088, 6668690, 7621360, 8002428, 9145632, 10003035, 10669904, 11432040, 12194176, 13337380, 15242720, 16004856, 18291264, 20006070, 21339808, 22864080, 26674760, 30485440, 32009712, 36582528, 40012140, 42679616, 45728160, 53349520, 60970880, 64019424, 80024280, 85359232, 91456320, 106699040, 128038848, 160048560, 182912640, 213398080, 256077696, 320097120, 426796160, 640194240, 1280388480]

約数ペア:

[(1, 1280388480), (2, 640194240), (3, 426796160), (4, 320097120), (5, 256077696), (6, 213398080), (7, 182912640), (8, 160048560), (10, 128038848), (12, 106699040), (14, 91456320), (15, 85359232), (16, 80024280), (20, 64019424), (21, 60970880), (24, 53349520), (28, 45728160), (30, 42679616), (32, 40012140), (35, 36582528), (40, 32009712), (42, 30485440), (48, 26674760), (56, 22864080), (60, 21339808), (64, 20006070), (70, 18291264), (80, 16004856), (84, 15242720), (96, 13337380), (105, 12194176), (112, 11432040), (120, 10669904), (128, 10003035), (140, 9145632), (160, 8002428), (168, 7621360), (192, 6668690), (210, 6097088), (224, 5716020), (240, 5334952), (280, 4572816), (320, 4001214), (336, 3810680), (384, 3334345), (420, 3048544), (448, 2858010), (480, 2667476), (560, 2286408), (640, 2000607), (672, 1905340), (840, 1524272), (896, 1429005), (960, 1333738), (1120, 1143204), (1344, 952670), (1680, 762136), (1920, 666869), (2240, 571602), (2688, 476335), (3360, 381068), (4480, 285801), (6720, 190534), (13440, 95267)]