281252160

素因数分解:

$2^6\times 3^2\times 5^1\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2030

約数の個数: 252

約数和(自身を含む): 1125896148

約数和(自身を除く): 844643988

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 320, 336, 360, 392, 420, 441, 448, 480, 490, 504, 560, 576, 588, 630, 672, 720, 735, 784, 840, 882, 960, 980, 1008, 1120, 1176, 1260, 1344, 1440, 1470, 1568, 1680, 1764, 1960, 1993, 2016, 2205, 2240, 2352, 2520, 2880, 2940, 3136, 3360, 3528, 3920, 3986, 4032, 4410, 4704, 5040, 5880, 5979, 6720, 7056, 7840, 7972, 8820, 9408, 9965, 10080, 11760, 11958, 13951, 14112, 15680, 15944, 17640, 17937, 19930, 20160, 23520, 23916, 27902, 28224, 29895, 31888, 35280, 35874, 39860, 41853, 47040, 47832, 55804, 59790, 63776, 69755, 70560, 71748, 79720, 83706, 89685, 95664, 97657, 111608, 119580, 125559, 127552, 139510, 141120, 143496, 159440, 167412, 179370, 191328, 195314, 209265, 223216, 239160, 251118, 279020, 286992, 292971, 318880, 334824, 358740, 382656, 390628, 418530, 446432, 478320, 488285, 502236, 558040, 573984, 585942, 627795, 637760, 669648, 717480, 781256, 837060, 878913, 892864, 956640, 976570, 1004472, 1116080, 1147968, 1171884, 1255590, 1339296, 1434960, 1464855, 1562512, 1674120, 1757826, 1913280, 1953140, 2008944, 2232160, 2343768, 2511180, 2678592, 2869920, 2929710, 3125024, 3348240, 3515652, 3906280, 4017888, 4394565, 4464320, 4687536, 5022360, 5739840, 5859420, 6250048, 6696480, 7031304, 7812560, 8035776, 8789130, 9375072, 10044720, 11718840, 13392960, 14062608, 15625120, 17578260, 18750144, 20089440, 23437680, 28125216, 31250240, 35156520, 40178880, 46875360, 56250432, 70313040, 93750720, 140626080, 281252160]

約数ペア:

[(1, 281252160), (2, 140626080), (3, 93750720), (4, 70313040), (5, 56250432), (6, 46875360), (7, 40178880), (8, 35156520), (9, 31250240), (10, 28125216), (12, 23437680), (14, 20089440), (15, 18750144), (16, 17578260), (18, 15625120), (20, 14062608), (21, 13392960), (24, 11718840), (28, 10044720), (30, 9375072), (32, 8789130), (35, 8035776), (36, 7812560), (40, 7031304), (42, 6696480), (45, 6250048), (48, 5859420), (49, 5739840), (56, 5022360), (60, 4687536), (63, 4464320), (64, 4394565), (70, 4017888), (72, 3906280), (80, 3515652), (84, 3348240), (90, 3125024), (96, 2929710), (98, 2869920), (105, 2678592), (112, 2511180), (120, 2343768), (126, 2232160), (140, 2008944), (144, 1953140), (147, 1913280), (160, 1757826), (168, 1674120), (180, 1562512), (192, 1464855), (196, 1434960), (210, 1339296), (224, 1255590), (240, 1171884), (245, 1147968), (252, 1116080), (280, 1004472), (288, 976570), (294, 956640), (315, 892864), (320, 878913), (336, 837060), (360, 781256), (392, 717480), (420, 669648), (441, 637760), (448, 627795), (480, 585942), (490, 573984), (504, 558040), (560, 502236), (576, 488285), (588, 478320), (630, 446432), (672, 418530), (720, 390628), (735, 382656), (784, 358740), (840, 334824), (882, 318880), (960, 292971), (980, 286992), (1008, 279020), (1120, 251118), (1176, 239160), (1260, 223216), (1344, 209265), (1440, 195314), (1470, 191328), (1568, 179370), (1680, 167412), (1764, 159440), (1960, 143496), (1993, 141120), (2016, 139510), (2205, 127552), (2240, 125559), (2352, 119580), (2520, 111608), (2880, 97657), (2940, 95664), (3136, 89685), (3360, 83706), (3528, 79720), (3920, 71748), (3986, 70560), (4032, 69755), (4410, 63776), (4704, 59790), (5040, 55804), (5880, 47832), (5979, 47040), (6720, 41853), (7056, 39860), (7840, 35874), (7972, 35280), (8820, 31888), (9408, 29895), (9965, 28224), (10080, 27902), (11760, 23916), (11958, 23520), (13951, 20160), (14112, 19930), (15680, 17937), (15944, 17640)]