20161392075

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:920

約数の個数: 180

約数和(自身を含む): 41487110280

約数和(自身を除く): 21325718205

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 81, 99, 107, 121, 135, 165, 225, 275, 297, 321, 363, 405, 495, 535, 605, 675, 769, 825, 891, 963, 1089, 1177, 1485, 1605, 1815, 2025, 2307, 2475, 2675, 2889, 3025, 3267, 3531, 3845, 4455, 4815, 5445, 5885, 6921, 7425, 8025, 8459, 8667, 9075, 9801, 10593, 11535, 12947, 14445, 16335, 17655, 19225, 20763, 22275, 24075, 25377, 27225, 29425, 31779, 34605, 38841, 42295, 43335, 49005, 52965, 57675, 62289, 64735, 72225, 76131, 81675, 82283, 88275, 93049, 95337, 103815, 116523, 126885, 158895, 173025, 194205, 211475, 216675, 228393, 245025, 246849, 264825, 279147, 311445, 323675, 349569, 380655, 411415, 465245, 476685, 519075, 582615, 634425, 685179, 740547, 794475, 837441, 905113, 971025, 1048707, 1141965, 1234245, 1395735, 1557225, 1747845, 1903275, 2057075, 2221641, 2326225, 2383425, 2512323, 2715339, 2913075, 3425895, 3702735, 4187205, 4525565, 5243535, 5709825, 6171225, 6664923, 6978675, 7536969, 8146017, 8739225, 9956243, 11108205, 12561615, 13576695, 17129475, 18513675, 20936025, 22627825, 24438051, 26217675, 29868729, 33324615, 37684845, 40730085, 49781215, 55541025, 62808075, 67883475, 73314153, 89606187, 122190255, 149343645, 166623075, 188424225, 203650425, 248906075, 268818561, 366570765, 448030935, 610951275, 746718225, 806455683, 1344092805, 1832853825, 2240154675, 4032278415, 6720464025, 20161392075]

約数ペア:

[(1, 20161392075), (3, 6720464025), (5, 4032278415), (9, 2240154675), (11, 1832853825), (15, 1344092805), (25, 806455683), (27, 746718225), (33, 610951275), (45, 448030935), (55, 366570765), (75, 268818561), (81, 248906075), (99, 203650425), (107, 188424225), (121, 166623075), (135, 149343645), (165, 122190255), (225, 89606187), (275, 73314153), (297, 67883475), (321, 62808075), (363, 55541025), (405, 49781215), (495, 40730085), (535, 37684845), (605, 33324615), (675, 29868729), (769, 26217675), (825, 24438051), (891, 22627825), (963, 20936025), (1089, 18513675), (1177, 17129475), (1485, 13576695), (1605, 12561615), (1815, 11108205), (2025, 9956243), (2307, 8739225), (2475, 8146017), (2675, 7536969), (2889, 6978675), (3025, 6664923), (3267, 6171225), (3531, 5709825), (3845, 5243535), (4455, 4525565), (4815, 4187205), (5445, 3702735), (5885, 3425895), (6921, 2913075), (7425, 2715339), (8025, 2512323), (8459, 2383425), (8667, 2326225), (9075, 2221641), (9801, 2057075), (10593, 1903275), (11535, 1747845), (12947, 1557225), (14445, 1395735), (16335, 1234245), (17655, 1141965), (19225, 1048707), (20763, 971025), (22275, 905113), (24075, 837441), (25377, 794475), (27225, 740547), (29425, 685179), (31779, 634425), (34605, 582615), (38841, 519075), (42295, 476685), (43335, 465245), (49005, 411415), (52965, 380655), (57675, 349569), (62289, 323675), (64735, 311445), (72225, 279147), (76131, 264825), (81675, 246849), (82283, 245025), (88275, 228393), (93049, 216675), (95337, 211475), (103815, 194205), (116523, 173025), (126885, 158895)]