81567720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1$

素因数の和:660

約数の個数: 192

約数和(自身を含む): 295822800

約数和(自身を除く): 214255080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 29, 30, 36, 39, 40, 45, 52, 58, 60, 65, 72, 78, 87, 90, 104, 116, 117, 120, 130, 145, 156, 174, 180, 195, 232, 234, 260, 261, 290, 312, 348, 360, 377, 390, 435, 468, 520, 522, 580, 585, 601, 696, 754, 780, 870, 936, 1044, 1131, 1160, 1170, 1202, 1305, 1508, 1560, 1740, 1803, 1885, 2088, 2262, 2340, 2404, 2610, 3005, 3016, 3393, 3480, 3606, 3770, 4524, 4680, 4808, 5220, 5409, 5655, 6010, 6786, 7212, 7540, 7813, 9015, 9048, 10440, 10818, 11310, 12020, 13572, 14424, 15080, 15626, 16965, 17429, 18030, 21636, 22620, 23439, 24040, 27045, 27144, 31252, 33930, 34858, 36060, 39065, 43272, 45240, 46878, 52287, 54090, 62504, 67860, 69716, 70317, 72120, 78130, 87145, 93756, 104574, 108180, 117195, 135720, 139432, 140634, 156260, 156861, 174290, 187512, 209148, 216360, 226577, 234390, 261435, 281268, 312520, 313722, 348580, 351585, 418296, 453154, 468780, 522870, 562536, 627444, 679731, 697160, 703170, 784305, 906308, 937560, 1045740, 1132885, 1254888, 1359462, 1406340, 1568610, 1812616, 2039193, 2091480, 2265770, 2718924, 2812680, 3137220, 3398655, 4078386, 4531540, 5437848, 6274440, 6797310, 8156772, 9063080, 10195965, 13594620, 16313544, 20391930, 27189240, 40783860, 81567720]

約数ペア:

[(1, 81567720), (2, 40783860), (3, 27189240), (4, 20391930), (5, 16313544), (6, 13594620), (8, 10195965), (9, 9063080), (10, 8156772), (12, 6797310), (13, 6274440), (15, 5437848), (18, 4531540), (20, 4078386), (24, 3398655), (26, 3137220), (29, 2812680), (30, 2718924), (36, 2265770), (39, 2091480), (40, 2039193), (45, 1812616), (52, 1568610), (58, 1406340), (60, 1359462), (65, 1254888), (72, 1132885), (78, 1045740), (87, 937560), (90, 906308), (104, 784305), (116, 703170), (117, 697160), (120, 679731), (130, 627444), (145, 562536), (156, 522870), (174, 468780), (180, 453154), (195, 418296), (232, 351585), (234, 348580), (260, 313722), (261, 312520), (290, 281268), (312, 261435), (348, 234390), (360, 226577), (377, 216360), (390, 209148), (435, 187512), (468, 174290), (520, 156861), (522, 156260), (580, 140634), (585, 139432), (601, 135720), (696, 117195), (754, 108180), (780, 104574), (870, 93756), (936, 87145), (1044, 78130), (1131, 72120), (1160, 70317), (1170, 69716), (1202, 67860), (1305, 62504), (1508, 54090), (1560, 52287), (1740, 46878), (1803, 45240), (1885, 43272), (2088, 39065), (2262, 36060), (2340, 34858), (2404, 33930), (2610, 31252), (3005, 27144), (3016, 27045), (3393, 24040), (3480, 23439), (3606, 22620), (3770, 21636), (4524, 18030), (4680, 17429), (4808, 16965), (5220, 15626), (5409, 15080), (5655, 14424), (6010, 13572), (6786, 12020), (7212, 11310), (7540, 10818), (7813, 10440), (9015, 9048)]