4005120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1$

素因数の和:180

約数の個数: 144

約数和(自身を含む): 14716800

約数和(自身を除く): 10711680

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, 149, 160, 168, 192, 210, 224, 240, 256, 280, 298, 320, 336, 384, 420, 447, 448, 480, 560, 596, 640, 672, 745, 768, 840, 894, 896, 960, 1043, 1120, 1192, 1280, 1344, 1490, 1680, 1788, 1792, 1920, 2086, 2235, 2240, 2384, 2688, 2980, 3129, 3360, 3576, 3840, 4172, 4470, 4480, 4768, 5215, 5376, 5960, 6258, 6720, 7152, 8344, 8940, 8960, 9536, 10430, 11920, 12516, 13440, 14304, 15645, 16688, 17880, 19072, 20860, 23840, 25032, 26880, 28608, 31290, 33376, 35760, 38144, 41720, 47680, 50064, 57216, 62580, 66752, 71520, 83440, 95360, 100128, 114432, 125160, 133504, 143040, 166880, 190720, 200256, 250320, 267008, 286080, 333760, 400512, 500640, 572160, 667520, 801024, 1001280, 1335040, 2002560, 4005120]

約数ペア:

[(1, 4005120), (2, 2002560), (3, 1335040), (4, 1001280), (5, 801024), (6, 667520), (7, 572160), (8, 500640), (10, 400512), (12, 333760), (14, 286080), (15, 267008), (16, 250320), (20, 200256), (21, 190720), (24, 166880), (28, 143040), (30, 133504), (32, 125160), (35, 114432), (40, 100128), (42, 95360), (48, 83440), (56, 71520), (60, 66752), (64, 62580), (70, 57216), (80, 50064), (84, 47680), (96, 41720), (105, 38144), (112, 35760), (120, 33376), (128, 31290), (140, 28608), (149, 26880), (160, 25032), (168, 23840), (192, 20860), (210, 19072), (224, 17880), (240, 16688), (256, 15645), (280, 14304), (298, 13440), (320, 12516), (336, 11920), (384, 10430), (420, 9536), (447, 8960), (448, 8940), (480, 8344), (560, 7152), (596, 6720), (640, 6258), (672, 5960), (745, 5376), (768, 5215), (840, 4768), (894, 4480), (896, 4470), (960, 4172), (1043, 3840), (1120, 3576), (1192, 3360), (1280, 3129), (1344, 2980), (1490, 2688), (1680, 2384), (1788, 2240), (1792, 2235), (1920, 2086)]