47312820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 151656960

約数和(自身を除く): 104344140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 61, 62, 90, 93, 122, 124, 139, 155, 180, 183, 186, 244, 278, 279, 305, 310, 366, 372, 417, 465, 549, 556, 558, 610, 620, 695, 732, 834, 915, 930, 1098, 1116, 1220, 1251, 1390, 1395, 1668, 1830, 1860, 1891, 2085, 2196, 2502, 2745, 2780, 2790, 3660, 3782, 4170, 4309, 5004, 5490, 5580, 5673, 6255, 7564, 8340, 8479, 8618, 9455, 10980, 11346, 12510, 12927, 16958, 17019, 17236, 18910, 21545, 22692, 25020, 25437, 25854, 28365, 33916, 34038, 37820, 38781, 42395, 43090, 50874, 51708, 56730, 64635, 68076, 76311, 77562, 84790, 85095, 86180, 101748, 113460, 127185, 129270, 152622, 155124, 169580, 170190, 193905, 254370, 258540, 262849, 305244, 340380, 381555, 387810, 508740, 525698, 763110, 775620, 788547, 1051396, 1314245, 1526220, 1577094, 2365641, 2628490, 3154188, 3942735, 4731282, 5256980, 7885470, 9462564, 11828205, 15770940, 23656410, 47312820]

約数ペア:

[(1, 47312820), (2, 23656410), (3, 15770940), (4, 11828205), (5, 9462564), (6, 7885470), (9, 5256980), (10, 4731282), (12, 3942735), (15, 3154188), (18, 2628490), (20, 2365641), (30, 1577094), (31, 1526220), (36, 1314245), (45, 1051396), (60, 788547), (61, 775620), (62, 763110), (90, 525698), (93, 508740), (122, 387810), (124, 381555), (139, 340380), (155, 305244), (180, 262849), (183, 258540), (186, 254370), (244, 193905), (278, 170190), (279, 169580), (305, 155124), (310, 152622), (366, 129270), (372, 127185), (417, 113460), (465, 101748), (549, 86180), (556, 85095), (558, 84790), (610, 77562), (620, 76311), (695, 68076), (732, 64635), (834, 56730), (915, 51708), (930, 50874), (1098, 43090), (1116, 42395), (1220, 38781), (1251, 37820), (1390, 34038), (1395, 33916), (1668, 28365), (1830, 25854), (1860, 25437), (1891, 25020), (2085, 22692), (2196, 21545), (2502, 18910), (2745, 17236), (2780, 17019), (2790, 16958), (3660, 12927), (3782, 12510), (4170, 11346), (4309, 10980), (5004, 9455), (5490, 8618), (5580, 8479), (5673, 8340), (6255, 7564)]