213265920

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{3967}}^1$

素因数の和:4000

約数の個数: 160

約数和(自身を含む): 779378688

約数和(自身を除く): 566112768

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, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 3967, 4480, 5376, 6720, 7680, 7934, 8960, 10752, 11901, 13440, 15868, 17920, 19835, 23802, 26880, 27769, 31736, 39670, 47604, 53760, 55538, 59505, 63472, 79340, 83307, 95208, 111076, 119010, 126944, 138845, 158680, 166614, 190416, 222152, 238020, 253888, 277690, 317360, 333228, 380832, 416535, 444304, 476040, 507776, 555380, 634720, 666456, 761664, 833070, 888608, 952080, 1015552, 1110760, 1269440, 1332912, 1523328, 1666140, 1777216, 1904160, 2031104, 2221520, 2538880, 2665824, 3046656, 3332280, 3554432, 3808320, 4443040, 5077760, 5331648, 6093312, 6664560, 7108864, 7616640, 8886080, 10155520, 10663296, 13329120, 14217728, 15233280, 17772160, 21326592, 26658240, 30466560, 35544320, 42653184, 53316480, 71088640, 106632960, 213265920]

約数ペア:

[(1, 213265920), (2, 106632960), (3, 71088640), (4, 53316480), (5, 42653184), (6, 35544320), (7, 30466560), (8, 26658240), (10, 21326592), (12, 17772160), (14, 15233280), (15, 14217728), (16, 13329120), (20, 10663296), (21, 10155520), (24, 8886080), (28, 7616640), (30, 7108864), (32, 6664560), (35, 6093312), (40, 5331648), (42, 5077760), (48, 4443040), (56, 3808320), (60, 3554432), (64, 3332280), (70, 3046656), (80, 2665824), (84, 2538880), (96, 2221520), (105, 2031104), (112, 1904160), (120, 1777216), (128, 1666140), (140, 1523328), (160, 1332912), (168, 1269440), (192, 1110760), (210, 1015552), (224, 952080), (240, 888608), (256, 833070), (280, 761664), (320, 666456), (336, 634720), (384, 555380), (420, 507776), (448, 476040), (480, 444304), (512, 416535), (560, 380832), (640, 333228), (672, 317360), (768, 277690), (840, 253888), (896, 238020), (960, 222152), (1120, 190416), (1280, 166614), (1344, 158680), (1536, 138845), (1680, 126944), (1792, 119010), (1920, 111076), (2240, 95208), (2560, 83307), (2688, 79340), (3360, 63472), (3584, 59505), (3840, 55538), (3967, 53760), (4480, 47604), (5376, 39670), (6720, 31736), (7680, 27769), (7934, 26880), (8960, 23802), (10752, 19835), (11901, 17920), (13440, 15868)]