209461320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 725587200

約数和(自身を除く): 516125880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 113, 114, 120, 152, 171, 180, 190, 226, 228, 271, 285, 339, 342, 360, 380, 452, 456, 542, 565, 570, 678, 684, 760, 813, 855, 904, 1017, 1084, 1130, 1140, 1355, 1356, 1368, 1626, 1695, 1710, 2034, 2147, 2168, 2260, 2280, 2439, 2710, 2712, 3252, 3390, 3420, 4065, 4068, 4294, 4520, 4878, 5085, 5149, 5420, 6441, 6504, 6780, 6840, 8130, 8136, 8588, 9756, 10170, 10298, 10735, 10840, 12195, 12882, 13560, 15447, 16260, 17176, 19323, 19512, 20340, 20596, 21470, 24390, 25745, 25764, 30623, 30894, 32205, 32520, 38646, 40680, 41192, 42940, 46341, 48780, 51490, 51528, 61246, 61788, 64410, 77235, 77292, 85880, 91869, 92682, 96615, 97560, 102980, 122492, 123576, 128820, 153115, 154470, 154584, 183738, 185364, 193230, 205960, 231705, 244984, 257640, 275607, 306230, 308940, 367476, 370728, 386460, 459345, 463410, 551214, 581837, 612460, 617880, 734952, 772920, 918690, 926820, 1102428, 1163674, 1224920, 1378035, 1745511, 1837380, 1853640, 2204856, 2327348, 2756070, 2909185, 3491022, 3674760, 4654696, 5236533, 5512140, 5818370, 6982044, 8727555, 10473066, 11024280, 11636740, 13964088, 17455110, 20946132, 23273480, 26182665, 34910220, 41892264, 52365330, 69820440, 104730660, 209461320]

約数ペア:

[(1, 209461320), (2, 104730660), (3, 69820440), (4, 52365330), (5, 41892264), (6, 34910220), (8, 26182665), (9, 23273480), (10, 20946132), (12, 17455110), (15, 13964088), (18, 11636740), (19, 11024280), (20, 10473066), (24, 8727555), (30, 6982044), (36, 5818370), (38, 5512140), (40, 5236533), (45, 4654696), (57, 3674760), (60, 3491022), (72, 2909185), (76, 2756070), (90, 2327348), (95, 2204856), (113, 1853640), (114, 1837380), (120, 1745511), (152, 1378035), (171, 1224920), (180, 1163674), (190, 1102428), (226, 926820), (228, 918690), (271, 772920), (285, 734952), (339, 617880), (342, 612460), (360, 581837), (380, 551214), (452, 463410), (456, 459345), (542, 386460), (565, 370728), (570, 367476), (678, 308940), (684, 306230), (760, 275607), (813, 257640), (855, 244984), (904, 231705), (1017, 205960), (1084, 193230), (1130, 185364), (1140, 183738), (1355, 154584), (1356, 154470), (1368, 153115), (1626, 128820), (1695, 123576), (1710, 122492), (2034, 102980), (2147, 97560), (2168, 96615), (2260, 92682), (2280, 91869), (2439, 85880), (2710, 77292), (2712, 77235), (3252, 64410), (3390, 61788), (3420, 61246), (4065, 51528), (4068, 51490), (4294, 48780), (4520, 46341), (4878, 42940), (5085, 41192), (5149, 40680), (5420, 38646), (6441, 32520), (6504, 32205), (6780, 30894), (6840, 30623), (8130, 25764), (8136, 25745), (8588, 24390), (9756, 21470), (10170, 20596), (10298, 20340), (10735, 19512), (10840, 19323), (12195, 17176), (12882, 16260), (13560, 15447)]