51447440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 146240640

約数和(自身を除く): 94793200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 80, 85, 88, 95, 110, 136, 152, 170, 176, 181, 187, 190, 209, 220, 272, 304, 323, 340, 362, 374, 380, 418, 440, 646, 680, 724, 748, 760, 836, 880, 905, 935, 1045, 1292, 1360, 1448, 1496, 1520, 1615, 1672, 1810, 1870, 1991, 2090, 2584, 2896, 2992, 3077, 3230, 3344, 3439, 3553, 3620, 3740, 3982, 4180, 5168, 6154, 6460, 6878, 7106, 7240, 7480, 7964, 8360, 9955, 12308, 12920, 13756, 14212, 14480, 14960, 15385, 15928, 16720, 17195, 17765, 19910, 24616, 25840, 27512, 28424, 30770, 31856, 33847, 34390, 35530, 37829, 39820, 49232, 55024, 56848, 58463, 61540, 67694, 68780, 71060, 75658, 79640, 116926, 123080, 135388, 137560, 142120, 151316, 159280, 169235, 189145, 233852, 246160, 270776, 275120, 284240, 292315, 302632, 338470, 378290, 467704, 541552, 584630, 605264, 643093, 676940, 756580, 935408, 1169260, 1286186, 1353880, 1513160, 2338520, 2572372, 2707760, 3026320, 3215465, 4677040, 5144744, 6430930, 10289488, 12861860, 25723720, 51447440]

約数ペア:

[(1, 51447440), (2, 25723720), (4, 12861860), (5, 10289488), (8, 6430930), (10, 5144744), (11, 4677040), (16, 3215465), (17, 3026320), (19, 2707760), (20, 2572372), (22, 2338520), (34, 1513160), (38, 1353880), (40, 1286186), (44, 1169260), (55, 935408), (68, 756580), (76, 676940), (80, 643093), (85, 605264), (88, 584630), (95, 541552), (110, 467704), (136, 378290), (152, 338470), (170, 302632), (176, 292315), (181, 284240), (187, 275120), (190, 270776), (209, 246160), (220, 233852), (272, 189145), (304, 169235), (323, 159280), (340, 151316), (362, 142120), (374, 137560), (380, 135388), (418, 123080), (440, 116926), (646, 79640), (680, 75658), (724, 71060), (748, 68780), (760, 67694), (836, 61540), (880, 58463), (905, 56848), (935, 55024), (1045, 49232), (1292, 39820), (1360, 37829), (1448, 35530), (1496, 34390), (1520, 33847), (1615, 31856), (1672, 30770), (1810, 28424), (1870, 27512), (1991, 25840), (2090, 24616), (2584, 19910), (2896, 17765), (2992, 17195), (3077, 16720), (3230, 15928), (3344, 15385), (3439, 14960), (3553, 14480), (3620, 14212), (3740, 13756), (3982, 12920), (4180, 12308), (5168, 9955), (6154, 8360), (6460, 7964), (6878, 7480), (7106, 7240)]