204660480

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 659312640

約数和(自身を除く): 454652160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 223, 239, 240, 256, 320, 384, 446, 478, 480, 640, 669, 717, 768, 892, 956, 960, 1115, 1195, 1280, 1338, 1434, 1784, 1912, 1920, 2230, 2390, 2676, 2868, 3345, 3568, 3585, 3824, 3840, 4460, 4780, 5352, 5736, 6690, 7136, 7170, 7648, 8920, 9560, 10704, 11472, 13380, 14272, 14340, 15296, 17840, 19120, 21408, 22944, 26760, 28544, 28680, 30592, 35680, 38240, 42816, 45888, 53297, 53520, 57088, 57360, 61184, 71360, 76480, 85632, 91776, 106594, 107040, 114720, 142720, 152960, 159891, 171264, 183552, 213188, 214080, 229440, 266485, 285440, 305920, 319782, 426376, 428160, 458880, 532970, 639564, 799455, 852752, 856320, 917760, 1065940, 1279128, 1598910, 1705504, 2131880, 2558256, 3197820, 3411008, 4263760, 5116512, 6395640, 6822016, 8527520, 10233024, 12791280, 13644032, 17055040, 20466048, 25582560, 34110080, 40932096, 51165120, 68220160, 102330240, 204660480]

約数ペア:

[(1, 204660480), (2, 102330240), (3, 68220160), (4, 51165120), (5, 40932096), (6, 34110080), (8, 25582560), (10, 20466048), (12, 17055040), (15, 13644032), (16, 12791280), (20, 10233024), (24, 8527520), (30, 6822016), (32, 6395640), (40, 5116512), (48, 4263760), (60, 3411008), (64, 3197820), (80, 2558256), (96, 2131880), (120, 1705504), (128, 1598910), (160, 1279128), (192, 1065940), (223, 917760), (239, 856320), (240, 852752), (256, 799455), (320, 639564), (384, 532970), (446, 458880), (478, 428160), (480, 426376), (640, 319782), (669, 305920), (717, 285440), (768, 266485), (892, 229440), (956, 214080), (960, 213188), (1115, 183552), (1195, 171264), (1280, 159891), (1338, 152960), (1434, 142720), (1784, 114720), (1912, 107040), (1920, 106594), (2230, 91776), (2390, 85632), (2676, 76480), (2868, 71360), (3345, 61184), (3568, 57360), (3585, 57088), (3824, 53520), (3840, 53297), (4460, 45888), (4780, 42816), (5352, 38240), (5736, 35680), (6690, 30592), (7136, 28680), (7170, 28544), (7648, 26760), (8920, 22944), (9560, 21408), (10704, 19120), (11472, 17840), (13380, 15296), (14272, 14340)]