20323570560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{80803}}^1$

素因数の和:80956

約数の個数: 128

約数和(自身を含む): 65276703360

約数和(自身を除く): 44953132800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 320, 384, 393, 480, 524, 640, 655, 786, 960, 1048, 1310, 1572, 1920, 1965, 2096, 2620, 3144, 3930, 4192, 5240, 6288, 7860, 8384, 10480, 12576, 15720, 16768, 20960, 25152, 31440, 41920, 50304, 62880, 80803, 83840, 125760, 161606, 242409, 251520, 323212, 404015, 484818, 646424, 808030, 969636, 1212045, 1292848, 1616060, 1939272, 2424090, 2585696, 3232120, 3878544, 4848180, 5171392, 6464240, 7757088, 9696360, 10342784, 10585193, 12928480, 15514176, 19392720, 21170386, 25856960, 31028352, 31755579, 38785440, 42340772, 51713920, 52925965, 63511158, 77570880, 84681544, 105851930, 127022316, 155141760, 158777895, 169363088, 211703860, 254044632, 317555790, 338726176, 423407720, 508089264, 635111580, 677452352, 846815440, 1016178528, 1270223160, 1354904704, 1693630880, 2032357056, 2540446320, 3387261760, 4064714112, 5080892640, 6774523520, 10161785280, 20323570560]

約数ペア:

[(1, 20323570560), (2, 10161785280), (3, 6774523520), (4, 5080892640), (5, 4064714112), (6, 3387261760), (8, 2540446320), (10, 2032357056), (12, 1693630880), (15, 1354904704), (16, 1270223160), (20, 1016178528), (24, 846815440), (30, 677452352), (32, 635111580), (40, 508089264), (48, 423407720), (60, 338726176), (64, 317555790), (80, 254044632), (96, 211703860), (120, 169363088), (128, 158777895), (131, 155141760), (160, 127022316), (192, 105851930), (240, 84681544), (262, 77570880), (320, 63511158), (384, 52925965), (393, 51713920), (480, 42340772), (524, 38785440), (640, 31755579), (655, 31028352), (786, 25856960), (960, 21170386), (1048, 19392720), (1310, 15514176), (1572, 12928480), (1920, 10585193), (1965, 10342784), (2096, 9696360), (2620, 7757088), (3144, 6464240), (3930, 5171392), (4192, 4848180), (5240, 3878544), (6288, 3232120), (7860, 2585696), (8384, 2424090), (10480, 1939272), (12576, 1616060), (15720, 1292848), (16768, 1212045), (20960, 969636), (25152, 808030), (31440, 646424), (41920, 484818), (50304, 404015), (62880, 323212), (80803, 251520), (83840, 242409), (125760, 161606)]