281767860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 216

約数和(自身を含む): 996028488

約数和(自身を除く): 714260628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 30, 33, 34, 36, 44, 45, 51, 55, 60, 66, 68, 85, 90, 99, 102, 110, 121, 132, 153, 165, 170, 180, 187, 198, 204, 220, 242, 255, 306, 330, 340, 363, 374, 396, 484, 495, 510, 561, 605, 612, 660, 726, 748, 761, 765, 935, 990, 1020, 1089, 1122, 1210, 1452, 1522, 1530, 1683, 1815, 1870, 1980, 2057, 2178, 2244, 2283, 2420, 2805, 3044, 3060, 3366, 3630, 3740, 3805, 4114, 4356, 4566, 5445, 5610, 6171, 6732, 6849, 7260, 7610, 8228, 8371, 8415, 9132, 10285, 10890, 11220, 11415, 12342, 12937, 13698, 15220, 16742, 16830, 18513, 20570, 21780, 22830, 24684, 25113, 25874, 27396, 30855, 33484, 33660, 34245, 37026, 38811, 41140, 41855, 45660, 50226, 51748, 61710, 64685, 68490, 74052, 75339, 77622, 83710, 92081, 92565, 100452, 116433, 123420, 125565, 129370, 136980, 142307, 150678, 155244, 167420, 184162, 185130, 194055, 232866, 251130, 258740, 276243, 284614, 301356, 368324, 370260, 376695, 388110, 426921, 460405, 465732, 502260, 552486, 569228, 582165, 711535, 753390, 776220, 828729, 853842, 920810, 1104972, 1164330, 1280763, 1381215, 1423070, 1506780, 1565377, 1657458, 1707684, 1841620, 2134605, 2328660, 2561526, 2762430, 2846140, 3130754, 3314916, 4143645, 4269210, 4696131, 5123052, 5524860, 6261508, 6403815, 7826885, 8287290, 8538420, 9392262, 12807630, 14088393, 15653770, 16574580, 18784524, 23480655, 25615260, 28176786, 31307540, 46961310, 56353572, 70441965, 93922620, 140883930, 281767860]

約数ペア:

[(1, 281767860), (2, 140883930), (3, 93922620), (4, 70441965), (5, 56353572), (6, 46961310), (9, 31307540), (10, 28176786), (11, 25615260), (12, 23480655), (15, 18784524), (17, 16574580), (18, 15653770), (20, 14088393), (22, 12807630), (30, 9392262), (33, 8538420), (34, 8287290), (36, 7826885), (44, 6403815), (45, 6261508), (51, 5524860), (55, 5123052), (60, 4696131), (66, 4269210), (68, 4143645), (85, 3314916), (90, 3130754), (99, 2846140), (102, 2762430), (110, 2561526), (121, 2328660), (132, 2134605), (153, 1841620), (165, 1707684), (170, 1657458), (180, 1565377), (187, 1506780), (198, 1423070), (204, 1381215), (220, 1280763), (242, 1164330), (255, 1104972), (306, 920810), (330, 853842), (340, 828729), (363, 776220), (374, 753390), (396, 711535), (484, 582165), (495, 569228), (510, 552486), (561, 502260), (605, 465732), (612, 460405), (660, 426921), (726, 388110), (748, 376695), (761, 370260), (765, 368324), (935, 301356), (990, 284614), (1020, 276243), (1089, 258740), (1122, 251130), (1210, 232866), (1452, 194055), (1522, 185130), (1530, 184162), (1683, 167420), (1815, 155244), (1870, 150678), (1980, 142307), (2057, 136980), (2178, 129370), (2244, 125565), (2283, 123420), (2420, 116433), (2805, 100452), (3044, 92565), (3060, 92081), (3366, 83710), (3630, 77622), (3740, 75339), (3805, 74052), (4114, 68490), (4356, 64685), (4566, 61710), (5445, 51748), (5610, 50226), (6171, 45660), (6732, 41855), (6849, 41140), (7260, 38811), (7610, 37026), (8228, 34245), (8371, 33660), (8415, 33484), (9132, 30855), (10285, 27396), (10890, 25874), (11220, 25113), (11415, 24684), (12342, 22830), (12937, 21780), (13698, 20570), (15220, 18513), (16742, 16830)]