209207040

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 288

約数和(自身を含む): 785680896

約数和(自身を除く): 576473856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 128, 129, 140, 160, 168, 172, 181, 192, 210, 215, 224, 240, 256, 258, 280, 301, 320, 336, 344, 362, 384, 420, 430, 448, 480, 516, 543, 560, 602, 640, 645, 672, 688, 724, 768, 840, 860, 896, 903, 905, 960, 1032, 1086, 1120, 1204, 1267, 1280, 1290, 1344, 1376, 1448, 1505, 1680, 1720, 1792, 1806, 1810, 1920, 2064, 2172, 2240, 2408, 2534, 2580, 2688, 2715, 2752, 2896, 3010, 3360, 3440, 3612, 3620, 3801, 3840, 4128, 4344, 4480, 4515, 4816, 5068, 5160, 5376, 5430, 5504, 5792, 6020, 6335, 6720, 6880, 7224, 7240, 7602, 7783, 8256, 8688, 8960, 9030, 9632, 10136, 10320, 10860, 11008, 11584, 12040, 12670, 13440, 13760, 14448, 14480, 15204, 15566, 16512, 17376, 18060, 19005, 19264, 20272, 20640, 21720, 23168, 23349, 24080, 25340, 26880, 27520, 28896, 28960, 30408, 31132, 33024, 34752, 36120, 38010, 38528, 38915, 40544, 41280, 43440, 46336, 46698, 48160, 50680, 54481, 55040, 57792, 57920, 60816, 62264, 69504, 72240, 76020, 77056, 77830, 81088, 82560, 86880, 93396, 96320, 101360, 108962, 115584, 115840, 116745, 121632, 124528, 139008, 144480, 152040, 155660, 162176, 163443, 165120, 173760, 186792, 192640, 202720, 217924, 231168, 231680, 233490, 243264, 249056, 272405, 288960, 304080, 311320, 324352, 326886, 347520, 373584, 385280, 405440, 435848, 466980, 486528, 498112, 544810, 577920, 608160, 622640, 653772, 695040, 747168, 810880, 817215, 871696, 933960, 973056, 996224, 1089620, 1155840, 1216320, 1245280, 1307544, 1494336, 1621760, 1634430, 1743392, 1867920, 1992448, 2179240, 2432640, 2490560, 2615088, 2988672, 3268860, 3486784, 3735840, 4358480, 4865280, 4981120, 5230176, 5977344, 6537720, 6973568, 7471680, 8716960, 9962240, 10460352, 13075440, 13947136, 14943360, 17433920, 20920704, 26150880, 29886720, 34867840, 41841408, 52301760, 69735680, 104603520, 209207040]

約数ペア:

[(1, 209207040), (2, 104603520), (3, 69735680), (4, 52301760), (5, 41841408), (6, 34867840), (7, 29886720), (8, 26150880), (10, 20920704), (12, 17433920), (14, 14943360), (15, 13947136), (16, 13075440), (20, 10460352), (21, 9962240), (24, 8716960), (28, 7471680), (30, 6973568), (32, 6537720), (35, 5977344), (40, 5230176), (42, 4981120), (43, 4865280), (48, 4358480), (56, 3735840), (60, 3486784), (64, 3268860), (70, 2988672), (80, 2615088), (84, 2490560), (86, 2432640), (96, 2179240), (105, 1992448), (112, 1867920), (120, 1743392), (128, 1634430), (129, 1621760), (140, 1494336), (160, 1307544), (168, 1245280), (172, 1216320), (181, 1155840), (192, 1089620), (210, 996224), (215, 973056), (224, 933960), (240, 871696), (256, 817215), (258, 810880), (280, 747168), (301, 695040), (320, 653772), (336, 622640), (344, 608160), (362, 577920), (384, 544810), (420, 498112), (430, 486528), (448, 466980), (480, 435848), (516, 405440), (543, 385280), (560, 373584), (602, 347520), (640, 326886), (645, 324352), (672, 311320), (688, 304080), (724, 288960), (768, 272405), (840, 249056), (860, 243264), (896, 233490), (903, 231680), (905, 231168), (960, 217924), (1032, 202720), (1086, 192640), (1120, 186792), (1204, 173760), (1267, 165120), (1280, 163443), (1290, 162176), (1344, 155660), (1376, 152040), (1448, 144480), (1505, 139008), (1680, 124528), (1720, 121632), (1792, 116745), (1806, 115840), (1810, 115584), (1920, 108962), (2064, 101360), (2172, 96320), (2240, 93396), (2408, 86880), (2534, 82560), (2580, 81088), (2688, 77830), (2715, 77056), (2752, 76020), (2896, 72240), (3010, 69504), (3360, 62264), (3440, 60816), (3612, 57920), (3620, 57792), (3801, 55040), (3840, 54481), (4128, 50680), (4344, 48160), (4480, 46698), (4515, 46336), (4816, 43440), (5068, 41280), (5160, 40544), (5376, 38915), (5430, 38528), (5504, 38010), (5792, 36120), (6020, 34752), (6335, 33024), (6720, 31132), (6880, 30408), (7224, 28960), (7240, 28896), (7602, 27520), (7783, 26880), (8256, 25340), (8688, 24080), (8960, 23349), (9030, 23168), (9632, 21720), (10136, 20640), (10320, 20272), (10860, 19264), (11008, 19005), (11584, 18060), (12040, 17376), (12670, 16512), (13440, 15566), (13760, 15204), (14448, 14480)]