381431520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7159}}^1$

素因数の和:7217

約数の個数: 144

約数和(自身を含む): 1337001120

約数和(自身を除く): 955569600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 888, 1110, 1184, 1332, 1440, 1480, 1665, 1776, 2220, 2664, 2960, 3330, 3552, 4440, 5328, 5920, 6660, 7159, 8880, 10656, 13320, 14318, 17760, 21477, 26640, 28636, 35795, 42954, 53280, 57272, 64431, 71590, 85908, 107385, 114544, 128862, 143180, 171816, 214770, 229088, 257724, 264883, 286360, 322155, 343632, 429540, 515448, 529766, 572720, 644310, 687264, 794649, 859080, 1030896, 1059532, 1145440, 1288620, 1324415, 1589298, 1718160, 2061792, 2119064, 2383947, 2577240, 2648830, 3178596, 3436320, 3973245, 4238128, 4767894, 5154480, 5297660, 6357192, 7946490, 8476256, 9535788, 10308960, 10595320, 11919735, 12714384, 15892980, 19071576, 21190640, 23839470, 25428768, 31785960, 38143152, 42381280, 47678940, 63571920, 76286304, 95357880, 127143840, 190715760, 381431520]

約数ペア:

[(1, 381431520), (2, 190715760), (3, 127143840), (4, 95357880), (5, 76286304), (6, 63571920), (8, 47678940), (9, 42381280), (10, 38143152), (12, 31785960), (15, 25428768), (16, 23839470), (18, 21190640), (20, 19071576), (24, 15892980), (30, 12714384), (32, 11919735), (36, 10595320), (37, 10308960), (40, 9535788), (45, 8476256), (48, 7946490), (60, 6357192), (72, 5297660), (74, 5154480), (80, 4767894), (90, 4238128), (96, 3973245), (111, 3436320), (120, 3178596), (144, 2648830), (148, 2577240), (160, 2383947), (180, 2119064), (185, 2061792), (222, 1718160), (240, 1589298), (288, 1324415), (296, 1288620), (333, 1145440), (360, 1059532), (370, 1030896), (444, 859080), (480, 794649), (555, 687264), (592, 644310), (666, 572720), (720, 529766), (740, 515448), (888, 429540), (1110, 343632), (1184, 322155), (1332, 286360), (1440, 264883), (1480, 257724), (1665, 229088), (1776, 214770), (2220, 171816), (2664, 143180), (2960, 128862), (3330, 114544), (3552, 107385), (4440, 85908), (5328, 71590), (5920, 64431), (6660, 57272), (7159, 53280), (8880, 42954), (10656, 35795), (13320, 28636), (14318, 26640), (17760, 21477)]