30680320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2179}}^1$

素因数の和:2211

約数の個数: 72

約数和(自身を含む): 80206560

約数和(自身を除く): 49526240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2179, 2816, 3520, 4358, 7040, 8716, 10895, 14080, 17432, 21790, 23969, 34864, 43580, 47938, 69728, 87160, 95876, 119845, 139456, 174320, 191752, 239690, 278912, 348640, 383504, 479380, 557824, 697280, 767008, 958760, 1394560, 1534016, 1917520, 2789120, 3068032, 3835040, 6136064, 7670080, 15340160, 30680320]

約数ペア:

[(1, 30680320), (2, 15340160), (4, 7670080), (5, 6136064), (8, 3835040), (10, 3068032), (11, 2789120), (16, 1917520), (20, 1534016), (22, 1394560), (32, 958760), (40, 767008), (44, 697280), (55, 557824), (64, 479380), (80, 383504), (88, 348640), (110, 278912), (128, 239690), (160, 191752), (176, 174320), (220, 139456), (256, 119845), (320, 95876), (352, 87160), (440, 69728), (640, 47938), (704, 43580), (880, 34864), (1280, 23969), (1408, 21790), (1760, 17432), (2179, 14080), (2816, 10895), (3520, 8716), (4358, 7040)]