2158705920

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{80309}}^1$

素因数の和:80340

約数の個数: 144

約数和(自身を含む): 7879374720

約数和(自身を除く): 5720668800

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, 13440, 26880, 80309, 160618, 240927, 321236, 401545, 481854, 562163, 642472, 803090, 963708, 1124326, 1204635, 1284944, 1606180, 1686489, 1927416, 2248652, 2409270, 2569888, 2810815, 3212360, 3372978, 3854832, 4497304, 4818540, 5139776, 5621630, 6424720, 6745956, 7709664, 8432445, 8994608, 9637080, 10279552, 11243260, 12849440, 13491912, 15419328, 16864890, 17989216, 19274160, 20559104, 22486520, 25698880, 26983824, 30838656, 33729780, 35978432, 38548320, 44973040, 51397760, 53967648, 61677312, 67459560, 71956864, 77096640, 89946080, 102795520, 107935296, 134919120, 143913728, 154193280, 179892160, 215870592, 269838240, 308386560, 359784320, 431741184, 539676480, 719568640, 1079352960, 2158705920]

約数ペア:

[(1, 2158705920), (2, 1079352960), (3, 719568640), (4, 539676480), (5, 431741184), (6, 359784320), (7, 308386560), (8, 269838240), (10, 215870592), (12, 179892160), (14, 154193280), (15, 143913728), (16, 134919120), (20, 107935296), (21, 102795520), (24, 89946080), (28, 77096640), (30, 71956864), (32, 67459560), (35, 61677312), (40, 53967648), (42, 51397760), (48, 44973040), (56, 38548320), (60, 35978432), (64, 33729780), (70, 30838656), (80, 26983824), (84, 25698880), (96, 22486520), (105, 20559104), (112, 19274160), (120, 17989216), (128, 16864890), (140, 15419328), (160, 13491912), (168, 12849440), (192, 11243260), (210, 10279552), (224, 9637080), (240, 8994608), (256, 8432445), (280, 7709664), (320, 6745956), (336, 6424720), (384, 5621630), (420, 5139776), (448, 4818540), (480, 4497304), (560, 3854832), (640, 3372978), (672, 3212360), (768, 2810815), (840, 2569888), (896, 2409270), (960, 2248652), (1120, 1927416), (1280, 1686489), (1344, 1606180), (1680, 1284944), (1792, 1204635), (1920, 1124326), (2240, 963708), (2688, 803090), (3360, 642472), (3840, 562163), (4480, 481854), (5376, 401545), (6720, 321236), (8960, 240927), (13440, 160618), (26880, 80309)]