19995360

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1$

素因数の和:577

約数の個数: 192

約数和(自身を含む): 78672384

約数和(自身を除く): 58677024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 210, 220, 224, 231, 240, 264, 280, 308, 330, 336, 352, 385, 420, 440, 462, 480, 528, 541, 560, 616, 660, 672, 770, 840, 880, 924, 1056, 1082, 1120, 1155, 1232, 1320, 1540, 1623, 1680, 1760, 1848, 2164, 2310, 2464, 2640, 2705, 3080, 3246, 3360, 3696, 3787, 4328, 4620, 5280, 5410, 5951, 6160, 6492, 7392, 7574, 8115, 8656, 9240, 10820, 11361, 11902, 12320, 12984, 15148, 16230, 17312, 17853, 18480, 18935, 21640, 22722, 23804, 25968, 29755, 30296, 32460, 35706, 36960, 37870, 41657, 43280, 45444, 47608, 51936, 56805, 59510, 60592, 64920, 71412, 75740, 83314, 86560, 89265, 90888, 95216, 113610, 119020, 121184, 124971, 129840, 142824, 151480, 166628, 178530, 181776, 190432, 208285, 227220, 238040, 249942, 259680, 285648, 302960, 333256, 357060, 363552, 416570, 454440, 476080, 499884, 571296, 605920, 624855, 666512, 714120, 833140, 908880, 952160, 999768, 1249710, 1333024, 1428240, 1666280, 1817760, 1999536, 2499420, 2856480, 3332560, 3999072, 4998840, 6665120, 9997680, 19995360]

約数ペア:

[(1, 19995360), (2, 9997680), (3, 6665120), (4, 4998840), (5, 3999072), (6, 3332560), (7, 2856480), (8, 2499420), (10, 1999536), (11, 1817760), (12, 1666280), (14, 1428240), (15, 1333024), (16, 1249710), (20, 999768), (21, 952160), (22, 908880), (24, 833140), (28, 714120), (30, 666512), (32, 624855), (33, 605920), (35, 571296), (40, 499884), (42, 476080), (44, 454440), (48, 416570), (55, 363552), (56, 357060), (60, 333256), (66, 302960), (70, 285648), (77, 259680), (80, 249942), (84, 238040), (88, 227220), (96, 208285), (105, 190432), (110, 181776), (112, 178530), (120, 166628), (132, 151480), (140, 142824), (154, 129840), (160, 124971), (165, 121184), (168, 119020), (176, 113610), (210, 95216), (220, 90888), (224, 89265), (231, 86560), (240, 83314), (264, 75740), (280, 71412), (308, 64920), (330, 60592), (336, 59510), (352, 56805), (385, 51936), (420, 47608), (440, 45444), (462, 43280), (480, 41657), (528, 37870), (541, 36960), (560, 35706), (616, 32460), (660, 30296), (672, 29755), (770, 25968), (840, 23804), (880, 22722), (924, 21640), (1056, 18935), (1082, 18480), (1120, 17853), (1155, 17312), (1232, 16230), (1320, 15148), (1540, 12984), (1623, 12320), (1680, 11902), (1760, 11361), (1848, 10820), (2164, 9240), (2310, 8656), (2464, 8115), (2640, 7574), (2705, 7392), (3080, 6492), (3246, 6160), (3360, 5951), (3696, 5410), (3787, 5280), (4328, 4620)]