311925120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12497}}^1$

素因数の和:12532

約数の個数: 128

約数和(自身を含む): 1070828640

約数和(自身を除く): 758903520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 12497, 24960, 24994, 37491, 49988, 62485, 74982, 99976, 124970, 149964, 162461, 187455, 199952, 249940, 299928, 324922, 374910, 399904, 487383, 499880, 599856, 649844, 749820, 799808, 812305, 974766, 999760, 1199712, 1299688, 1499640, 1599616, 1624610, 1949532, 1999520, 2399424, 2436915, 2599376, 2999280, 3249220, 3899064, 3999040, 4798848, 4873830, 5198752, 5998560, 6498440, 7798128, 7998080, 9747660, 10397504, 11997120, 12996880, 15596256, 19495320, 20795008, 23994240, 25993760, 31192512, 38990640, 51987520, 62385024, 77981280, 103975040, 155962560, 311925120]

約数ペア:

[(1, 311925120), (2, 155962560), (3, 103975040), (4, 77981280), (5, 62385024), (6, 51987520), (8, 38990640), (10, 31192512), (12, 25993760), (13, 23994240), (15, 20795008), (16, 19495320), (20, 15596256), (24, 12996880), (26, 11997120), (30, 10397504), (32, 9747660), (39, 7998080), (40, 7798128), (48, 6498440), (52, 5998560), (60, 5198752), (64, 4873830), (65, 4798848), (78, 3999040), (80, 3899064), (96, 3249220), (104, 2999280), (120, 2599376), (128, 2436915), (130, 2399424), (156, 1999520), (160, 1949532), (192, 1624610), (195, 1599616), (208, 1499640), (240, 1299688), (260, 1199712), (312, 999760), (320, 974766), (384, 812305), (390, 799808), (416, 749820), (480, 649844), (520, 599856), (624, 499880), (640, 487383), (780, 399904), (832, 374910), (960, 324922), (1040, 299928), (1248, 249940), (1560, 199952), (1664, 187455), (1920, 162461), (2080, 149964), (2496, 124970), (3120, 99976), (4160, 74982), (4992, 62485), (6240, 49988), (8320, 37491), (12480, 24994), (12497, 24960)]