251646720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 877881648

約数和(自身を除く): 626234928

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, 71, 78, 80, 96, 104, 120, 128, 130, 142, 156, 160, 192, 195, 208, 213, 240, 256, 260, 284, 312, 320, 355, 384, 390, 416, 426, 480, 520, 568, 624, 640, 710, 768, 780, 832, 852, 923, 960, 1040, 1065, 1136, 1248, 1280, 1420, 1560, 1664, 1704, 1846, 1920, 2080, 2130, 2272, 2496, 2769, 2840, 3120, 3328, 3408, 3692, 3840, 4160, 4260, 4544, 4615, 4992, 5041, 5538, 5680, 6240, 6816, 7384, 8320, 8520, 9088, 9230, 9984, 10082, 11076, 11360, 12480, 13632, 13845, 14768, 15123, 16640, 17040, 18176, 18460, 20164, 22152, 22720, 24960, 25205, 27264, 27690, 29536, 30246, 34080, 36920, 40328, 44304, 45440, 49920, 50410, 54528, 55380, 59072, 60492, 65533, 68160, 73840, 75615, 80656, 88608, 90880, 100820, 110760, 118144, 120984, 131066, 136320, 147680, 151230, 161312, 177216, 196599, 201640, 221520, 236288, 241968, 262132, 272640, 295360, 302460, 322624, 327665, 354432, 393198, 403280, 443040, 483936, 524264, 590720, 604920, 645248, 655330, 708864, 786396, 806560, 886080, 967872, 982995, 1048528, 1181440, 1209840, 1290496, 1310660, 1572792, 1613120, 1772160, 1935744, 1965990, 2097056, 2419680, 2621320, 3145584, 3226240, 3544320, 3871488, 3931980, 4194112, 4839360, 5242640, 6291168, 6452480, 7863960, 8388224, 9678720, 10485280, 12582336, 15727920, 16776448, 19357440, 20970560, 25164672, 31455840, 41941120, 50329344, 62911680, 83882240, 125823360, 251646720]

約数ペア:

[(1, 251646720), (2, 125823360), (3, 83882240), (4, 62911680), (5, 50329344), (6, 41941120), (8, 31455840), (10, 25164672), (12, 20970560), (13, 19357440), (15, 16776448), (16, 15727920), (20, 12582336), (24, 10485280), (26, 9678720), (30, 8388224), (32, 7863960), (39, 6452480), (40, 6291168), (48, 5242640), (52, 4839360), (60, 4194112), (64, 3931980), (65, 3871488), (71, 3544320), (78, 3226240), (80, 3145584), (96, 2621320), (104, 2419680), (120, 2097056), (128, 1965990), (130, 1935744), (142, 1772160), (156, 1613120), (160, 1572792), (192, 1310660), (195, 1290496), (208, 1209840), (213, 1181440), (240, 1048528), (256, 982995), (260, 967872), (284, 886080), (312, 806560), (320, 786396), (355, 708864), (384, 655330), (390, 645248), (416, 604920), (426, 590720), (480, 524264), (520, 483936), (568, 443040), (624, 403280), (640, 393198), (710, 354432), (768, 327665), (780, 322624), (832, 302460), (852, 295360), (923, 272640), (960, 262132), (1040, 241968), (1065, 236288), (1136, 221520), (1248, 201640), (1280, 196599), (1420, 177216), (1560, 161312), (1664, 151230), (1704, 147680), (1846, 136320), (1920, 131066), (2080, 120984), (2130, 118144), (2272, 110760), (2496, 100820), (2769, 90880), (2840, 88608), (3120, 80656), (3328, 75615), (3408, 73840), (3692, 68160), (3840, 65533), (4160, 60492), (4260, 59072), (4544, 55380), (4615, 54528), (4992, 50410), (5041, 49920), (5538, 45440), (5680, 44304), (6240, 40328), (6816, 36920), (7384, 34080), (8320, 30246), (8520, 29536), (9088, 27690), (9230, 27264), (9984, 25205), (10082, 24960), (11076, 22720), (11360, 22152), (12480, 20164), (13632, 18460), (13845, 18176), (14768, 17040), (15123, 16640)]