217449480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 670475520

約数和(自身を除く): 453026040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 103, 120, 146, 206, 219, 241, 292, 309, 365, 412, 438, 482, 515, 584, 618, 723, 730, 824, 876, 964, 1030, 1095, 1205, 1236, 1446, 1460, 1545, 1752, 1928, 2060, 2190, 2410, 2472, 2892, 2920, 3090, 3615, 4120, 4380, 4820, 5784, 6180, 7230, 7519, 8760, 9640, 12360, 14460, 15038, 17593, 22557, 24823, 28920, 30076, 35186, 37595, 45114, 49646, 52779, 60152, 70372, 74469, 75190, 87965, 90228, 99292, 105558, 112785, 124115, 140744, 148938, 150380, 175930, 180456, 198584, 211116, 225570, 248230, 263895, 297876, 300760, 351860, 372345, 422232, 451140, 496460, 527790, 595752, 703720, 744690, 902280, 992920, 1055580, 1489380, 1812079, 2111160, 2978760, 3624158, 5436237, 7248316, 9060395, 10872474, 14496632, 18120790, 21744948, 27181185, 36241580, 43489896, 54362370, 72483160, 108724740, 217449480]

約数ペア:

[(1, 217449480), (2, 108724740), (3, 72483160), (4, 54362370), (5, 43489896), (6, 36241580), (8, 27181185), (10, 21744948), (12, 18120790), (15, 14496632), (20, 10872474), (24, 9060395), (30, 7248316), (40, 5436237), (60, 3624158), (73, 2978760), (103, 2111160), (120, 1812079), (146, 1489380), (206, 1055580), (219, 992920), (241, 902280), (292, 744690), (309, 703720), (365, 595752), (412, 527790), (438, 496460), (482, 451140), (515, 422232), (584, 372345), (618, 351860), (723, 300760), (730, 297876), (824, 263895), (876, 248230), (964, 225570), (1030, 211116), (1095, 198584), (1205, 180456), (1236, 175930), (1446, 150380), (1460, 148938), (1545, 140744), (1752, 124115), (1928, 112785), (2060, 105558), (2190, 99292), (2410, 90228), (2472, 87965), (2892, 75190), (2920, 74469), (3090, 70372), (3615, 60152), (4120, 52779), (4380, 49646), (4820, 45114), (5784, 37595), (6180, 35186), (7230, 30076), (7519, 28920), (8760, 24823), (9640, 22557), (12360, 17593), (14460, 15038)]