81127530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 144

約数和(自身を含む): 243925344

約数和(自身を除く): 162797814

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 90, 95, 99, 110, 114, 165, 171, 190, 198, 209, 227, 285, 330, 342, 361, 418, 454, 495, 570, 627, 681, 722, 855, 990, 1045, 1083, 1135, 1254, 1362, 1710, 1805, 1881, 2043, 2090, 2166, 2270, 2497, 3135, 3249, 3405, 3610, 3762, 3971, 4086, 4313, 4994, 5415, 6270, 6498, 6810, 7491, 7942, 8626, 9405, 10215, 10830, 11913, 12485, 12939, 14982, 16245, 18810, 19855, 20430, 21565, 22473, 23826, 24970, 25878, 32490, 35739, 37455, 38817, 39710, 43130, 44946, 47443, 59565, 64695, 71478, 74910, 77634, 81947, 94886, 112365, 119130, 129390, 142329, 163894, 178695, 194085, 224730, 237215, 245841, 284658, 357390, 388170, 409735, 426987, 474430, 491682, 711645, 737523, 819470, 853974, 901417, 1229205, 1423290, 1475046, 1802834, 2134935, 2458410, 2704251, 3687615, 4269870, 4507085, 5408502, 7375230, 8112753, 9014170, 13521255, 16225506, 27042510, 40563765, 81127530]

約数ペア:

[(1, 81127530), (2, 40563765), (3, 27042510), (5, 16225506), (6, 13521255), (9, 9014170), (10, 8112753), (11, 7375230), (15, 5408502), (18, 4507085), (19, 4269870), (22, 3687615), (30, 2704251), (33, 2458410), (38, 2134935), (45, 1802834), (55, 1475046), (57, 1423290), (66, 1229205), (90, 901417), (95, 853974), (99, 819470), (110, 737523), (114, 711645), (165, 491682), (171, 474430), (190, 426987), (198, 409735), (209, 388170), (227, 357390), (285, 284658), (330, 245841), (342, 237215), (361, 224730), (418, 194085), (454, 178695), (495, 163894), (570, 142329), (627, 129390), (681, 119130), (722, 112365), (855, 94886), (990, 81947), (1045, 77634), (1083, 74910), (1135, 71478), (1254, 64695), (1362, 59565), (1710, 47443), (1805, 44946), (1881, 43130), (2043, 39710), (2090, 38817), (2166, 37455), (2270, 35739), (2497, 32490), (3135, 25878), (3249, 24970), (3405, 23826), (3610, 22473), (3762, 21565), (3971, 20430), (4086, 19855), (4313, 18810), (4994, 16245), (5415, 14982), (6270, 12939), (6498, 12485), (6810, 11913), (7491, 10830), (7942, 10215), (8626, 9405)]