245965440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18301}}^1$

素因数の和:18330

約数の個数: 128

約数和(自身を含む): 896065920

約数和(自身を除く): 650100480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18301, 36602, 54903, 73204, 91505, 109806, 128107, 146408, 183010, 219612, 256214, 274515, 292816, 366020, 384321, 439224, 512428, 549030, 585632, 640535, 732040, 768642, 878448, 1024856, 1098060, 1171264, 1281070, 1464080, 1537284, 1756896, 1921605, 2049712, 2196120, 2342528, 2562140, 2928160, 3074568, 3513792, 3843210, 4099424, 4392240, 5124280, 5856320, 6149136, 7027584, 7686420, 8198848, 8784480, 10248560, 11712640, 12298272, 15372840, 16397696, 17568960, 20497120, 24596544, 30745680, 35137920, 40994240, 49193088, 61491360, 81988480, 122982720, 245965440]

約数ペア:

[(1, 245965440), (2, 122982720), (3, 81988480), (4, 61491360), (5, 49193088), (6, 40994240), (7, 35137920), (8, 30745680), (10, 24596544), (12, 20497120), (14, 17568960), (15, 16397696), (16, 15372840), (20, 12298272), (21, 11712640), (24, 10248560), (28, 8784480), (30, 8198848), (32, 7686420), (35, 7027584), (40, 6149136), (42, 5856320), (48, 5124280), (56, 4392240), (60, 4099424), (64, 3843210), (70, 3513792), (80, 3074568), (84, 2928160), (96, 2562140), (105, 2342528), (112, 2196120), (120, 2049712), (128, 1921605), (140, 1756896), (160, 1537284), (168, 1464080), (192, 1281070), (210, 1171264), (224, 1098060), (240, 1024856), (280, 878448), (320, 768642), (336, 732040), (384, 640535), (420, 585632), (448, 549030), (480, 512428), (560, 439224), (640, 384321), (672, 366020), (840, 292816), (896, 274515), (960, 256214), (1120, 219612), (1344, 183010), (1680, 146408), (1920, 128107), (2240, 109806), (2688, 91505), (3360, 73204), (4480, 54903), (6720, 36602), (13440, 18301)]