205750720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3018

約数の個数: 112

約数和(自身を含む): 578193408

約数和(自身を除く): 372442688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 2963, 3472, 4340, 4960, 5926, 6944, 8680, 9920, 11852, 13888, 14815, 17360, 20741, 23704, 29630, 34720, 41482, 47408, 59260, 69440, 82964, 91853, 94816, 103705, 118520, 165928, 183706, 189632, 207410, 237040, 331856, 367412, 414820, 459265, 474080, 642971, 663712, 734824, 829640, 918530, 948160, 1285942, 1327424, 1469648, 1659280, 1837060, 2571884, 2939296, 3214855, 3318560, 3674120, 5143768, 5878592, 6429710, 6637120, 7348240, 10287536, 12859420, 14696480, 20575072, 25718840, 29392960, 41150144, 51437680, 102875360, 205750720]

約数ペア:

[(1, 205750720), (2, 102875360), (4, 51437680), (5, 41150144), (7, 29392960), (8, 25718840), (10, 20575072), (14, 14696480), (16, 12859420), (20, 10287536), (28, 7348240), (31, 6637120), (32, 6429710), (35, 5878592), (40, 5143768), (56, 3674120), (62, 3318560), (64, 3214855), (70, 2939296), (80, 2571884), (112, 1837060), (124, 1659280), (140, 1469648), (155, 1327424), (160, 1285942), (217, 948160), (224, 918530), (248, 829640), (280, 734824), (310, 663712), (320, 642971), (434, 474080), (448, 459265), (496, 414820), (560, 367412), (620, 331856), (868, 237040), (992, 207410), (1085, 189632), (1120, 183706), (1240, 165928), (1736, 118520), (1984, 103705), (2170, 94816), (2240, 91853), (2480, 82964), (2963, 69440), (3472, 59260), (4340, 47408), (4960, 41482), (5926, 34720), (6944, 29630), (8680, 23704), (9920, 20741), (11852, 17360), (13888, 14815)]