720370280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:463

約数の個数: 128

約数和(自身を含む): 1896652800

約数和(自身を除く): 1176282520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 139, 140, 166, 223, 278, 280, 332, 415, 446, 556, 581, 664, 695, 830, 892, 973, 1112, 1115, 1162, 1390, 1561, 1660, 1784, 1946, 2230, 2324, 2780, 2905, 3122, 3320, 3892, 4460, 4648, 4865, 5560, 5810, 6244, 7784, 7805, 8920, 9730, 11537, 11620, 12488, 15610, 18509, 19460, 23074, 23240, 30997, 31220, 37018, 38920, 46148, 57685, 61994, 62440, 74036, 80759, 92296, 92545, 115370, 123988, 129563, 148072, 154985, 161518, 185090, 216979, 230740, 247976, 259126, 309970, 323036, 370180, 403795, 433958, 461480, 518252, 619940, 646072, 647815, 740360, 807590, 867916, 1036504, 1084895, 1239880, 1295630, 1615180, 1735832, 2169790, 2572751, 2591260, 3230360, 4339580, 5145502, 5182520, 8679160, 10291004, 12863755, 18009257, 20582008, 25727510, 36018514, 51455020, 72037028, 90046285, 102910040, 144074056, 180092570, 360185140, 720370280]

約数ペア:

[(1, 720370280), (2, 360185140), (4, 180092570), (5, 144074056), (7, 102910040), (8, 90046285), (10, 72037028), (14, 51455020), (20, 36018514), (28, 25727510), (35, 20582008), (40, 18009257), (56, 12863755), (70, 10291004), (83, 8679160), (139, 5182520), (140, 5145502), (166, 4339580), (223, 3230360), (278, 2591260), (280, 2572751), (332, 2169790), (415, 1735832), (446, 1615180), (556, 1295630), (581, 1239880), (664, 1084895), (695, 1036504), (830, 867916), (892, 807590), (973, 740360), (1112, 647815), (1115, 646072), (1162, 619940), (1390, 518252), (1561, 461480), (1660, 433958), (1784, 403795), (1946, 370180), (2230, 323036), (2324, 309970), (2780, 259126), (2905, 247976), (3122, 230740), (3320, 216979), (3892, 185090), (4460, 161518), (4648, 154985), (4865, 148072), (5560, 129563), (5810, 123988), (6244, 115370), (7784, 92545), (7805, 92296), (8920, 80759), (9730, 74036), (11537, 62440), (11620, 61994), (12488, 57685), (15610, 46148), (18509, 38920), (19460, 37018), (23074, 31220), (23240, 30997)]