421878240

素因数分解:

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

素因数の和:2031

約数の個数: 288

約数和(自身を含む): 1718508960

約数和(自身を除く): 1296630720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 1993, 2016, 2160, 2205, 2352, 2520, 2646, 2940, 3024, 3360, 3528, 3780, 3920, 3986, 4320, 4410, 4704, 5040, 5292, 5880, 5979, 6048, 6615, 7056, 7560, 7840, 7972, 8820, 9965, 10080, 10584, 11760, 11958, 13230, 13951, 14112, 15120, 15944, 17640, 17937, 19930, 21168, 23520, 23916, 26460, 27902, 29895, 30240, 31888, 35280, 35874, 39860, 41853, 42336, 47832, 52920, 53811, 55804, 59790, 63776, 69755, 70560, 71748, 79720, 83706, 89685, 95664, 97657, 105840, 107622, 111608, 119580, 125559, 139510, 143496, 159440, 167412, 179370, 191328, 195314, 209265, 211680, 215244, 223216, 239160, 251118, 269055, 279020, 286992, 292971, 318880, 334824, 358740, 376677, 390628, 418530, 430488, 446432, 478320, 488285, 502236, 538110, 558040, 573984, 585942, 627795, 669648, 717480, 753354, 781256, 837060, 860976, 878913, 956640, 976570, 1004472, 1076220, 1116080, 1171884, 1255590, 1339296, 1434960, 1464855, 1506708, 1562512, 1674120, 1721952, 1757826, 1883385, 1953140, 2008944, 2152440, 2232160, 2343768, 2511180, 2636739, 2869920, 2929710, 3013416, 3125024, 3348240, 3515652, 3766770, 3906280, 4017888, 4304880, 4394565, 4687536, 5022360, 5273478, 5859420, 6026832, 6696480, 7031304, 7533540, 7812560, 8609760, 8789130, 9375072, 10044720, 10546956, 11718840, 12053664, 13183695, 14062608, 15067080, 15625120, 17578260, 20089440, 21093912, 23437680, 26367390, 28125216, 30134160, 35156520, 42187824, 46875360, 52734780, 60268320, 70313040, 84375648, 105469560, 140626080, 210939120, 421878240]

約数ペア:

[(1, 421878240), (2, 210939120), (3, 140626080), (4, 105469560), (5, 84375648), (6, 70313040), (7, 60268320), (8, 52734780), (9, 46875360), (10, 42187824), (12, 35156520), (14, 30134160), (15, 28125216), (16, 26367390), (18, 23437680), (20, 21093912), (21, 20089440), (24, 17578260), (27, 15625120), (28, 15067080), (30, 14062608), (32, 13183695), (35, 12053664), (36, 11718840), (40, 10546956), (42, 10044720), (45, 9375072), (48, 8789130), (49, 8609760), (54, 7812560), (56, 7533540), (60, 7031304), (63, 6696480), (70, 6026832), (72, 5859420), (80, 5273478), (84, 5022360), (90, 4687536), (96, 4394565), (98, 4304880), (105, 4017888), (108, 3906280), (112, 3766770), (120, 3515652), (126, 3348240), (135, 3125024), (140, 3013416), (144, 2929710), (147, 2869920), (160, 2636739), (168, 2511180), (180, 2343768), (189, 2232160), (196, 2152440), (210, 2008944), (216, 1953140), (224, 1883385), (240, 1757826), (245, 1721952), (252, 1674120), (270, 1562512), (280, 1506708), (288, 1464855), (294, 1434960), (315, 1339296), (336, 1255590), (360, 1171884), (378, 1116080), (392, 1076220), (420, 1004472), (432, 976570), (441, 956640), (480, 878913), (490, 860976), (504, 837060), (540, 781256), (560, 753354), (588, 717480), (630, 669648), (672, 627795), (720, 585942), (735, 573984), (756, 558040), (784, 538110), (840, 502236), (864, 488285), (882, 478320), (945, 446432), (980, 430488), (1008, 418530), (1080, 390628), (1120, 376677), (1176, 358740), (1260, 334824), (1323, 318880), (1440, 292971), (1470, 286992), (1512, 279020), (1568, 269055), (1680, 251118), (1764, 239160), (1890, 223216), (1960, 215244), (1993, 211680), (2016, 209265), (2160, 195314), (2205, 191328), (2352, 179370), (2520, 167412), (2646, 159440), (2940, 143496), (3024, 139510), (3360, 125559), (3528, 119580), (3780, 111608), (3920, 107622), (3986, 105840), (4320, 97657), (4410, 95664), (4704, 89685), (5040, 83706), (5292, 79720), (5880, 71748), (5979, 70560), (6048, 69755), (6615, 63776), (7056, 59790), (7560, 55804), (7840, 53811), (7972, 52920), (8820, 47832), (9965, 42336), (10080, 41853), (10584, 39860), (11760, 35874), (11958, 35280), (13230, 31888), (13951, 30240), (14112, 29895), (15120, 27902), (15944, 26460), (17640, 23916), (17937, 23520), (19930, 21168)]