16243980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 32140020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 79, 92, 115, 138, 149, 158, 230, 237, 276, 298, 316, 345, 395, 447, 460, 474, 596, 690, 745, 790, 894, 948, 1185, 1380, 1490, 1580, 1788, 1817, 2235, 2370, 2980, 3427, 3634, 4470, 4740, 5451, 6854, 7268, 8940, 9085, 10281, 10902, 11771, 13708, 17135, 18170, 20562, 21804, 23542, 27255, 34270, 35313, 36340, 41124, 47084, 51405, 54510, 58855, 68540, 70626, 102810, 109020, 117710, 141252, 176565, 205620, 235420, 270733, 353130, 541466, 706260, 812199, 1082932, 1353665, 1624398, 2707330, 3248796, 4060995, 5414660, 8121990, 16243980]

約数ペア:

[(1, 16243980), (2, 8121990), (3, 5414660), (4, 4060995), (5, 3248796), (6, 2707330), (10, 1624398), (12, 1353665), (15, 1082932), (20, 812199), (23, 706260), (30, 541466), (46, 353130), (60, 270733), (69, 235420), (79, 205620), (92, 176565), (115, 141252), (138, 117710), (149, 109020), (158, 102810), (230, 70626), (237, 68540), (276, 58855), (298, 54510), (316, 51405), (345, 47084), (395, 41124), (447, 36340), (460, 35313), (474, 34270), (596, 27255), (690, 23542), (745, 21804), (790, 20562), (894, 18170), (948, 17135), (1185, 13708), (1380, 11771), (1490, 10902), (1580, 10281), (1788, 9085), (1817, 8940), (2235, 7268), (2370, 6854), (2980, 5451), (3427, 4740), (3634, 4470)]