402206520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3389}}^1$

素因数の和:3469

約数の個数: 128

約数和(自身を含む): 1288742400

約数和(自身を除く): 886535880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 43, 46, 60, 69, 86, 92, 115, 120, 129, 138, 172, 184, 215, 230, 258, 276, 344, 345, 430, 460, 516, 552, 645, 690, 860, 920, 989, 1032, 1290, 1380, 1720, 1978, 2580, 2760, 2967, 3389, 3956, 4945, 5160, 5934, 6778, 7912, 9890, 10167, 11868, 13556, 14835, 16945, 19780, 20334, 23736, 27112, 29670, 33890, 39560, 40668, 50835, 59340, 67780, 77947, 81336, 101670, 118680, 135560, 145727, 155894, 203340, 233841, 291454, 311788, 389735, 406680, 437181, 467682, 582908, 623576, 728635, 779470, 874362, 935364, 1165816, 1169205, 1457270, 1558940, 1748724, 1870728, 2185905, 2338410, 2914540, 3117880, 3351721, 3497448, 4371810, 4676820, 5829080, 6703442, 8743620, 9353640, 10055163, 13406884, 16758605, 17487240, 20110326, 26813768, 33517210, 40220652, 50275815, 67034420, 80441304, 100551630, 134068840, 201103260, 402206520]

約数ペア:

[(1, 402206520), (2, 201103260), (3, 134068840), (4, 100551630), (5, 80441304), (6, 67034420), (8, 50275815), (10, 40220652), (12, 33517210), (15, 26813768), (20, 20110326), (23, 17487240), (24, 16758605), (30, 13406884), (40, 10055163), (43, 9353640), (46, 8743620), (60, 6703442), (69, 5829080), (86, 4676820), (92, 4371810), (115, 3497448), (120, 3351721), (129, 3117880), (138, 2914540), (172, 2338410), (184, 2185905), (215, 1870728), (230, 1748724), (258, 1558940), (276, 1457270), (344, 1169205), (345, 1165816), (430, 935364), (460, 874362), (516, 779470), (552, 728635), (645, 623576), (690, 582908), (860, 467682), (920, 437181), (989, 406680), (1032, 389735), (1290, 311788), (1380, 291454), (1720, 233841), (1978, 203340), (2580, 155894), (2760, 145727), (2967, 135560), (3389, 118680), (3956, 101670), (4945, 81336), (5160, 77947), (5934, 67780), (6778, 59340), (7912, 50835), (9890, 40668), (10167, 39560), (11868, 33890), (13556, 29670), (14835, 27112), (16945, 23736), (19780, 20334)]