520721880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{19997}}^1$

素因数の和:20049

約数の個数: 128

約数和(自身を含む): 1843015680

約数和(自身を除く): 1322293800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 19997, 26040, 39994, 59991, 79988, 99985, 119982, 139979, 159976, 199970, 239964, 279958, 299955, 399940, 419937, 479928, 559916, 599910, 619907, 699895, 799880, 839874, 1119832, 1199820, 1239814, 1399790, 1679748, 1859721, 2099685, 2399640, 2479628, 2799580, 3099535, 3359496, 3719442, 4199370, 4339349, 4959256, 5599160, 6199070, 7438884, 8398740, 8678698, 9298605, 12398140, 13018047, 14877768, 16797480, 17357396, 18597210, 21696745, 24796280, 26036094, 34714792, 37194420, 43393490, 52072188, 65090235, 74388840, 86786980, 104144376, 130180470, 173573960, 260360940, 520721880]

約数ペア:

[(1, 520721880), (2, 260360940), (3, 173573960), (4, 130180470), (5, 104144376), (6, 86786980), (7, 74388840), (8, 65090235), (10, 52072188), (12, 43393490), (14, 37194420), (15, 34714792), (20, 26036094), (21, 24796280), (24, 21696745), (28, 18597210), (30, 17357396), (31, 16797480), (35, 14877768), (40, 13018047), (42, 12398140), (56, 9298605), (60, 8678698), (62, 8398740), (70, 7438884), (84, 6199070), (93, 5599160), (105, 4959256), (120, 4339349), (124, 4199370), (140, 3719442), (155, 3359496), (168, 3099535), (186, 2799580), (210, 2479628), (217, 2399640), (248, 2099685), (280, 1859721), (310, 1679748), (372, 1399790), (420, 1239814), (434, 1199820), (465, 1119832), (620, 839874), (651, 799880), (744, 699895), (840, 619907), (868, 599910), (930, 559916), (1085, 479928), (1240, 419937), (1302, 399940), (1736, 299955), (1860, 279958), (2170, 239964), (2604, 199970), (3255, 159976), (3720, 139979), (4340, 119982), (5208, 99985), (6510, 79988), (8680, 59991), (13020, 39994), (19997, 26040)]