15997520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:98

約数の個数: 160

約数和(自身を含む): 48211200

約数和(自身を除く): 32213680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 53, 55, 56, 70, 77, 80, 88, 98, 106, 110, 112, 140, 154, 176, 196, 212, 220, 245, 265, 280, 308, 343, 371, 385, 392, 424, 440, 490, 530, 539, 560, 583, 616, 686, 742, 770, 784, 848, 880, 980, 1060, 1078, 1166, 1232, 1372, 1484, 1540, 1715, 1855, 1960, 2120, 2156, 2332, 2597, 2695, 2744, 2915, 2968, 3080, 3430, 3710, 3773, 3920, 4081, 4240, 4312, 4664, 5194, 5390, 5488, 5830, 5936, 6160, 6860, 7420, 7546, 8162, 8624, 9328, 10388, 10780, 11660, 12985, 13720, 14840, 15092, 16324, 18179, 18865, 20405, 20776, 21560, 23320, 25970, 27440, 28567, 29680, 30184, 32648, 36358, 37730, 40810, 41552, 43120, 46640, 51940, 57134, 60368, 65296, 72716, 75460, 81620, 90895, 103880, 114268, 142835, 145432, 150920, 163240, 181790, 199969, 207760, 228536, 285670, 290864, 301840, 326480, 363580, 399938, 457072, 571340, 727160, 799876, 999845, 1142680, 1454320, 1599752, 1999690, 2285360, 3199504, 3999380, 7998760, 15997520]

約数ペア:

[(1, 15997520), (2, 7998760), (4, 3999380), (5, 3199504), (7, 2285360), (8, 1999690), (10, 1599752), (11, 1454320), (14, 1142680), (16, 999845), (20, 799876), (22, 727160), (28, 571340), (35, 457072), (40, 399938), (44, 363580), (49, 326480), (53, 301840), (55, 290864), (56, 285670), (70, 228536), (77, 207760), (80, 199969), (88, 181790), (98, 163240), (106, 150920), (110, 145432), (112, 142835), (140, 114268), (154, 103880), (176, 90895), (196, 81620), (212, 75460), (220, 72716), (245, 65296), (265, 60368), (280, 57134), (308, 51940), (343, 46640), (371, 43120), (385, 41552), (392, 40810), (424, 37730), (440, 36358), (490, 32648), (530, 30184), (539, 29680), (560, 28567), (583, 27440), (616, 25970), (686, 23320), (742, 21560), (770, 20776), (784, 20405), (848, 18865), (880, 18179), (980, 16324), (1060, 15092), (1078, 14840), (1166, 13720), (1232, 12985), (1372, 11660), (1484, 10780), (1540, 10388), (1715, 9328), (1855, 8624), (1960, 8162), (2120, 7546), (2156, 7420), (2332, 6860), (2597, 6160), (2695, 5936), (2744, 5830), (2915, 5488), (2968, 5390), (3080, 5194), (3430, 4664), (3710, 4312), (3773, 4240), (3920, 4081)]