261300480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9721}}^1$

素因数の和:9752

約数の個数: 144

約数和(自身を含む): 953844864

約数和(自身を除く): 692544384

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, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9721, 13440, 19442, 26880, 29163, 38884, 48605, 58326, 68047, 77768, 97210, 116652, 136094, 145815, 155536, 194420, 204141, 233304, 272188, 291630, 311072, 340235, 388840, 408282, 466608, 544376, 583260, 622144, 680470, 777680, 816564, 933216, 1020705, 1088752, 1166520, 1244288, 1360940, 1555360, 1633128, 1866432, 2041410, 2177504, 2333040, 2488576, 2721880, 3110720, 3266256, 3732864, 4082820, 4355008, 4666080, 5443760, 6221440, 6532512, 7465728, 8165640, 8710016, 9332160, 10887520, 12442880, 13065024, 16331280, 17420032, 18664320, 21775040, 26130048, 32662560, 37328640, 43550080, 52260096, 65325120, 87100160, 130650240, 261300480]

約数ペア:

[(1, 261300480), (2, 130650240), (3, 87100160), (4, 65325120), (5, 52260096), (6, 43550080), (7, 37328640), (8, 32662560), (10, 26130048), (12, 21775040), (14, 18664320), (15, 17420032), (16, 16331280), (20, 13065024), (21, 12442880), (24, 10887520), (28, 9332160), (30, 8710016), (32, 8165640), (35, 7465728), (40, 6532512), (42, 6221440), (48, 5443760), (56, 4666080), (60, 4355008), (64, 4082820), (70, 3732864), (80, 3266256), (84, 3110720), (96, 2721880), (105, 2488576), (112, 2333040), (120, 2177504), (128, 2041410), (140, 1866432), (160, 1633128), (168, 1555360), (192, 1360940), (210, 1244288), (224, 1166520), (240, 1088752), (256, 1020705), (280, 933216), (320, 816564), (336, 777680), (384, 680470), (420, 622144), (448, 583260), (480, 544376), (560, 466608), (640, 408282), (672, 388840), (768, 340235), (840, 311072), (896, 291630), (960, 272188), (1120, 233304), (1280, 204141), (1344, 194420), (1680, 155536), (1792, 145815), (1920, 136094), (2240, 116652), (2688, 97210), (3360, 77768), (3840, 68047), (4480, 58326), (5376, 48605), (6720, 38884), (8960, 29163), (9721, 26880), (13440, 19442)]