261891840

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9743}}^1$

素因数の和:9774

約数の個数: 144

約数和(自身を含む): 956003328

約数和(自身を除く): 694111488

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, 9743, 13440, 19486, 26880, 29229, 38972, 48715, 58458, 68201, 77944, 97430, 116916, 136402, 146145, 155888, 194860, 204603, 233832, 272804, 292290, 311776, 341005, 389720, 409206, 467664, 545608, 584580, 623552, 682010, 779440, 818412, 935328, 1023015, 1091216, 1169160, 1247104, 1364020, 1558880, 1636824, 1870656, 2046030, 2182432, 2338320, 2494208, 2728040, 3117760, 3273648, 3741312, 4092060, 4364864, 4676640, 5456080, 6235520, 6547296, 7482624, 8184120, 8729728, 9353280, 10912160, 12471040, 13094592, 16368240, 17459456, 18706560, 21824320, 26189184, 32736480, 37413120, 43648640, 52378368, 65472960, 87297280, 130945920, 261891840]

約数ペア:

[(1, 261891840), (2, 130945920), (3, 87297280), (4, 65472960), (5, 52378368), (6, 43648640), (7, 37413120), (8, 32736480), (10, 26189184), (12, 21824320), (14, 18706560), (15, 17459456), (16, 16368240), (20, 13094592), (21, 12471040), (24, 10912160), (28, 9353280), (30, 8729728), (32, 8184120), (35, 7482624), (40, 6547296), (42, 6235520), (48, 5456080), (56, 4676640), (60, 4364864), (64, 4092060), (70, 3741312), (80, 3273648), (84, 3117760), (96, 2728040), (105, 2494208), (112, 2338320), (120, 2182432), (128, 2046030), (140, 1870656), (160, 1636824), (168, 1558880), (192, 1364020), (210, 1247104), (224, 1169160), (240, 1091216), (256, 1023015), (280, 935328), (320, 818412), (336, 779440), (384, 682010), (420, 623552), (448, 584580), (480, 545608), (560, 467664), (640, 409206), (672, 389720), (768, 341005), (840, 311776), (896, 292290), (960, 272804), (1120, 233832), (1280, 204603), (1344, 194860), (1680, 155888), (1792, 146145), (1920, 136402), (2240, 116916), (2688, 97430), (3360, 77944), (3840, 68201), (4480, 58458), (5376, 48715), (6720, 38972), (8960, 29229), (9743, 26880), (13440, 19486)]