78546840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 248832000

約数和(自身を除く): 170285160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 191, 230, 276, 298, 345, 382, 447, 460, 552, 573, 596, 690, 745, 764, 894, 920, 955, 1146, 1192, 1380, 1490, 1528, 1788, 1910, 2235, 2292, 2760, 2865, 2980, 3427, 3576, 3820, 4393, 4470, 4584, 5730, 5960, 6854, 7640, 8786, 8940, 10281, 11460, 13179, 13708, 17135, 17572, 17880, 20562, 21965, 22920, 26358, 27416, 28459, 34270, 35144, 41124, 43930, 51405, 52716, 56918, 65895, 68540, 82248, 85377, 87860, 102810, 105432, 113836, 131790, 137080, 142295, 170754, 175720, 205620, 227672, 263580, 284590, 341508, 411240, 426885, 527160, 569180, 654557, 683016, 853770, 1138360, 1309114, 1707540, 1963671, 2618228, 3272785, 3415080, 3927342, 5236456, 6545570, 7854684, 9818355, 13091140, 15709368, 19636710, 26182280, 39273420, 78546840]

約数ペア:

[(1, 78546840), (2, 39273420), (3, 26182280), (4, 19636710), (5, 15709368), (6, 13091140), (8, 9818355), (10, 7854684), (12, 6545570), (15, 5236456), (20, 3927342), (23, 3415080), (24, 3272785), (30, 2618228), (40, 1963671), (46, 1707540), (60, 1309114), (69, 1138360), (92, 853770), (115, 683016), (120, 654557), (138, 569180), (149, 527160), (184, 426885), (191, 411240), (230, 341508), (276, 284590), (298, 263580), (345, 227672), (382, 205620), (447, 175720), (460, 170754), (552, 142295), (573, 137080), (596, 131790), (690, 113836), (745, 105432), (764, 102810), (894, 87860), (920, 85377), (955, 82248), (1146, 68540), (1192, 65895), (1380, 56918), (1490, 52716), (1528, 51405), (1788, 43930), (1910, 41124), (2235, 35144), (2292, 34270), (2760, 28459), (2865, 27416), (2980, 26358), (3427, 22920), (3576, 21965), (3820, 20562), (4393, 17880), (4470, 17572), (4584, 17135), (5730, 13708), (5960, 13179), (6854, 11460), (7640, 10281), (8786, 8940)]