155552460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 511396704

約数和(自身を除く): 355844244

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 157, 196, 210, 245, 294, 314, 337, 420, 471, 490, 588, 628, 674, 735, 785, 942, 980, 1011, 1099, 1348, 1470, 1570, 1685, 1884, 2022, 2198, 2355, 2359, 2940, 3140, 3297, 3370, 4044, 4396, 4710, 4718, 5055, 5495, 6594, 6740, 7077, 7693, 9420, 9436, 10110, 10990, 11795, 13188, 14154, 15386, 16485, 16513, 20220, 21980, 23079, 23590, 28308, 30772, 32970, 33026, 35385, 38465, 46158, 47180, 49539, 52909, 65940, 66052, 70770, 76930, 82565, 92316, 99078, 105818, 115395, 141540, 153860, 158727, 165130, 198156, 211636, 230790, 247695, 264545, 317454, 330260, 370363, 461580, 495390, 529090, 634908, 740726, 793635, 990780, 1058180, 1111089, 1481452, 1587270, 1851815, 2222178, 2592541, 3174540, 3703630, 4444356, 5185082, 5555445, 7407260, 7777623, 10370164, 11110890, 12962705, 15555246, 22221780, 25925410, 31110492, 38888115, 51850820, 77776230, 155552460]

約数ペア:

[(1, 155552460), (2, 77776230), (3, 51850820), (4, 38888115), (5, 31110492), (6, 25925410), (7, 22221780), (10, 15555246), (12, 12962705), (14, 11110890), (15, 10370164), (20, 7777623), (21, 7407260), (28, 5555445), (30, 5185082), (35, 4444356), (42, 3703630), (49, 3174540), (60, 2592541), (70, 2222178), (84, 1851815), (98, 1587270), (105, 1481452), (140, 1111089), (147, 1058180), (157, 990780), (196, 793635), (210, 740726), (245, 634908), (294, 529090), (314, 495390), (337, 461580), (420, 370363), (471, 330260), (490, 317454), (588, 264545), (628, 247695), (674, 230790), (735, 211636), (785, 198156), (942, 165130), (980, 158727), (1011, 153860), (1099, 141540), (1348, 115395), (1470, 105818), (1570, 99078), (1685, 92316), (1884, 82565), (2022, 76930), (2198, 70770), (2355, 66052), (2359, 65940), (2940, 52909), (3140, 49539), (3297, 47180), (3370, 46158), (4044, 38465), (4396, 35385), (4710, 33026), (4718, 32970), (5055, 30772), (5495, 28308), (6594, 23590), (6740, 23079), (7077, 21980), (7693, 20220), (9420, 16513), (9436, 16485), (10110, 15386), (10990, 14154), (11795, 13188)]