217207320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2789}}^1$

素因数の和:2873

約数の個数: 128

約数和(自身を含む): 723168000

約数和(自身を除く): 505960680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 59, 60, 66, 88, 110, 118, 120, 132, 165, 177, 220, 236, 264, 295, 330, 354, 440, 472, 590, 649, 660, 708, 885, 1180, 1298, 1320, 1416, 1770, 1947, 2360, 2596, 2789, 3245, 3540, 3894, 5192, 5578, 6490, 7080, 7788, 8367, 9735, 11156, 12980, 13945, 15576, 16734, 19470, 22312, 25960, 27890, 30679, 33468, 38940, 41835, 55780, 61358, 66936, 77880, 83670, 92037, 111560, 122716, 153395, 164551, 167340, 184074, 245432, 306790, 329102, 334680, 368148, 460185, 493653, 613580, 658204, 736296, 822755, 920370, 987306, 1227160, 1316408, 1645510, 1810061, 1840740, 1974612, 2468265, 3291020, 3620122, 3681480, 3949224, 4936530, 5430183, 6582040, 7240244, 9050305, 9873060, 10860366, 14480488, 18100610, 19746120, 21720732, 27150915, 36201220, 43441464, 54301830, 72402440, 108603660, 217207320]

約数ペア:

[(1, 217207320), (2, 108603660), (3, 72402440), (4, 54301830), (5, 43441464), (6, 36201220), (8, 27150915), (10, 21720732), (11, 19746120), (12, 18100610), (15, 14480488), (20, 10860366), (22, 9873060), (24, 9050305), (30, 7240244), (33, 6582040), (40, 5430183), (44, 4936530), (55, 3949224), (59, 3681480), (60, 3620122), (66, 3291020), (88, 2468265), (110, 1974612), (118, 1840740), (120, 1810061), (132, 1645510), (165, 1316408), (177, 1227160), (220, 987306), (236, 920370), (264, 822755), (295, 736296), (330, 658204), (354, 613580), (440, 493653), (472, 460185), (590, 368148), (649, 334680), (660, 329102), (708, 306790), (885, 245432), (1180, 184074), (1298, 167340), (1320, 164551), (1416, 153395), (1770, 122716), (1947, 111560), (2360, 92037), (2596, 83670), (2789, 77880), (3245, 66936), (3540, 61358), (3894, 55780), (5192, 41835), (5578, 38940), (6490, 33468), (7080, 30679), (7788, 27890), (8367, 25960), (9735, 22312), (11156, 19470), (12980, 16734), (13945, 15576)]