642366720

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{18587}}^1$

素因数の和:18617

約数の個数: 144

約数和(自身を含む): 2279632320

約数和(自身を除く): 1637265600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 17280, 18587, 34560, 37174, 55761, 74348, 92935, 111522, 148696, 167283, 185870, 223044, 278805, 297392, 334566, 371740, 446088, 501849, 557610, 594784, 669132, 743480, 836415, 892176, 1003698, 1115220, 1189568, 1338264, 1486960, 1672830, 1784352, 2007396, 2230440, 2379136, 2509245, 2676528, 2973920, 3345660, 3568704, 4014792, 4460880, 4758272, 5018490, 5353056, 5947840, 6691320, 7137408, 8029584, 8921760, 10036980, 10706112, 11895680, 13382640, 14274816, 16059168, 17843520, 20073960, 21412224, 23791360, 26765280, 32118336, 35687040, 40147920, 42824448, 53530560, 64236672, 71374080, 80295840, 107061120, 128473344, 160591680, 214122240, 321183360, 642366720]

約数ペア:

[(1, 642366720), (2, 321183360), (3, 214122240), (4, 160591680), (5, 128473344), (6, 107061120), (8, 80295840), (9, 71374080), (10, 64236672), (12, 53530560), (15, 42824448), (16, 40147920), (18, 35687040), (20, 32118336), (24, 26765280), (27, 23791360), (30, 21412224), (32, 20073960), (36, 17843520), (40, 16059168), (45, 14274816), (48, 13382640), (54, 11895680), (60, 10706112), (64, 10036980), (72, 8921760), (80, 8029584), (90, 7137408), (96, 6691320), (108, 5947840), (120, 5353056), (128, 5018490), (135, 4758272), (144, 4460880), (160, 4014792), (180, 3568704), (192, 3345660), (216, 2973920), (240, 2676528), (256, 2509245), (270, 2379136), (288, 2230440), (320, 2007396), (360, 1784352), (384, 1672830), (432, 1486960), (480, 1338264), (540, 1189568), (576, 1115220), (640, 1003698), (720, 892176), (768, 836415), (864, 743480), (960, 669132), (1080, 594784), (1152, 557610), (1280, 501849), (1440, 446088), (1728, 371740), (1920, 334566), (2160, 297392), (2304, 278805), (2880, 223044), (3456, 185870), (3840, 167283), (4320, 148696), (5760, 111522), (6912, 92935), (8640, 74348), (11520, 55761), (17280, 37174), (18587, 34560)]