30020520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 95904000

約数和(自身を除く): 65883480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 73, 92, 115, 120, 138, 146, 149, 184, 219, 230, 276, 292, 298, 345, 365, 438, 447, 460, 552, 584, 596, 690, 730, 745, 876, 894, 920, 1095, 1192, 1380, 1460, 1490, 1679, 1752, 1788, 2190, 2235, 2760, 2920, 2980, 3358, 3427, 3576, 4380, 4470, 5037, 5960, 6716, 6854, 8395, 8760, 8940, 10074, 10281, 10877, 13432, 13708, 16790, 17135, 17880, 20148, 20562, 21754, 25185, 27416, 32631, 33580, 34270, 40296, 41124, 43508, 50370, 51405, 54385, 65262, 67160, 68540, 82248, 87016, 100740, 102810, 108770, 130524, 137080, 163155, 201480, 205620, 217540, 250171, 261048, 326310, 411240, 435080, 500342, 652620, 750513, 1000684, 1250855, 1305240, 1501026, 2001368, 2501710, 3002052, 3752565, 5003420, 6004104, 7505130, 10006840, 15010260, 30020520]

約数ペア:

[(1, 30020520), (2, 15010260), (3, 10006840), (4, 7505130), (5, 6004104), (6, 5003420), (8, 3752565), (10, 3002052), (12, 2501710), (15, 2001368), (20, 1501026), (23, 1305240), (24, 1250855), (30, 1000684), (40, 750513), (46, 652620), (60, 500342), (69, 435080), (73, 411240), (92, 326310), (115, 261048), (120, 250171), (138, 217540), (146, 205620), (149, 201480), (184, 163155), (219, 137080), (230, 130524), (276, 108770), (292, 102810), (298, 100740), (345, 87016), (365, 82248), (438, 68540), (447, 67160), (460, 65262), (552, 54385), (584, 51405), (596, 50370), (690, 43508), (730, 41124), (745, 40296), (876, 34270), (894, 33580), (920, 32631), (1095, 27416), (1192, 25185), (1380, 21754), (1460, 20562), (1490, 20148), (1679, 17880), (1752, 17135), (1788, 16790), (2190, 13708), (2235, 13432), (2760, 10877), (2920, 10281), (2980, 10074), (3358, 8940), (3427, 8760), (3576, 8395), (4380, 6854), (4470, 6716), (5037, 5960)]