206420640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 679383936

約数和(自身を除く): 472963296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 73, 80, 86, 96, 120, 129, 137, 146, 160, 172, 215, 219, 240, 258, 274, 292, 344, 365, 411, 430, 438, 480, 516, 548, 584, 645, 685, 688, 730, 822, 860, 876, 1032, 1095, 1096, 1168, 1290, 1370, 1376, 1460, 1644, 1720, 1752, 2055, 2064, 2190, 2192, 2336, 2580, 2740, 2920, 3139, 3288, 3440, 3504, 4110, 4128, 4380, 4384, 5160, 5480, 5840, 5891, 6278, 6576, 6880, 7008, 8220, 8760, 9417, 10001, 10320, 10960, 11680, 11782, 12556, 13152, 15695, 16440, 17520, 17673, 18834, 20002, 20640, 21920, 23564, 25112, 29455, 30003, 31390, 32880, 35040, 35346, 37668, 40004, 47085, 47128, 50005, 50224, 58910, 60006, 62780, 65760, 70692, 75336, 80008, 88365, 94170, 94256, 100010, 100448, 117820, 120012, 125560, 141384, 150015, 150672, 160016, 176730, 188340, 188512, 200020, 235640, 240024, 251120, 282768, 300030, 301344, 320032, 353460, 376680, 400040, 430043, 471280, 480048, 502240, 565536, 600060, 706920, 753360, 800080, 860086, 942560, 960096, 1200120, 1290129, 1413840, 1506720, 1600160, 1720172, 2150215, 2400240, 2580258, 2827680, 3440344, 4300430, 4800480, 5160516, 6450645, 6880688, 8600860, 10321032, 12901290, 13761376, 17201720, 20642064, 25802580, 34403440, 41284128, 51605160, 68806880, 103210320, 206420640]

約数ペア:

[(1, 206420640), (2, 103210320), (3, 68806880), (4, 51605160), (5, 41284128), (6, 34403440), (8, 25802580), (10, 20642064), (12, 17201720), (15, 13761376), (16, 12901290), (20, 10321032), (24, 8600860), (30, 6880688), (32, 6450645), (40, 5160516), (43, 4800480), (48, 4300430), (60, 3440344), (73, 2827680), (80, 2580258), (86, 2400240), (96, 2150215), (120, 1720172), (129, 1600160), (137, 1506720), (146, 1413840), (160, 1290129), (172, 1200120), (215, 960096), (219, 942560), (240, 860086), (258, 800080), (274, 753360), (292, 706920), (344, 600060), (365, 565536), (411, 502240), (430, 480048), (438, 471280), (480, 430043), (516, 400040), (548, 376680), (584, 353460), (645, 320032), (685, 301344), (688, 300030), (730, 282768), (822, 251120), (860, 240024), (876, 235640), (1032, 200020), (1095, 188512), (1096, 188340), (1168, 176730), (1290, 160016), (1370, 150672), (1376, 150015), (1460, 141384), (1644, 125560), (1720, 120012), (1752, 117820), (2055, 100448), (2064, 100010), (2190, 94256), (2192, 94170), (2336, 88365), (2580, 80008), (2740, 75336), (2920, 70692), (3139, 65760), (3288, 62780), (3440, 60006), (3504, 58910), (4110, 50224), (4128, 50005), (4380, 47128), (4384, 47085), (5160, 40004), (5480, 37668), (5840, 35346), (5891, 35040), (6278, 32880), (6576, 31390), (6880, 30003), (7008, 29455), (8220, 25112), (8760, 23564), (9417, 21920), (10001, 20640), (10320, 20002), (10960, 18834), (11680, 17673), (11782, 17520), (12556, 16440), (13152, 15695)]