206382780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:348

約数の個数: 144

約数和(自身を含む): 645284640

約数和(自身を除く): 438901860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 109, 134, 157, 180, 201, 218, 268, 314, 327, 335, 402, 436, 471, 545, 603, 628, 654, 670, 785, 804, 942, 981, 1005, 1090, 1206, 1308, 1340, 1413, 1570, 1635, 1884, 1962, 2010, 2180, 2355, 2412, 2826, 3015, 3140, 3270, 3924, 4020, 4710, 4905, 5652, 6030, 6540, 7065, 7303, 9420, 9810, 10519, 12060, 14130, 14606, 17113, 19620, 21038, 21909, 28260, 29212, 31557, 34226, 36515, 42076, 43818, 51339, 52595, 63114, 65727, 68452, 73030, 85565, 87636, 94671, 102678, 105190, 109545, 126228, 131454, 146060, 154017, 157785, 171130, 189342, 205356, 210380, 219090, 256695, 262908, 308034, 315570, 328635, 342260, 378684, 438180, 473355, 513390, 616068, 631140, 657270, 770085, 946710, 1026780, 1146571, 1314540, 1540170, 1893420, 2293142, 3080340, 3439713, 4586284, 5732855, 6879426, 10319139, 11465710, 13758852, 17198565, 20638278, 22931420, 34397130, 41276556, 51595695, 68794260, 103191390, 206382780]

約数ペア:

[(1, 206382780), (2, 103191390), (3, 68794260), (4, 51595695), (5, 41276556), (6, 34397130), (9, 22931420), (10, 20638278), (12, 17198565), (15, 13758852), (18, 11465710), (20, 10319139), (30, 6879426), (36, 5732855), (45, 4586284), (60, 3439713), (67, 3080340), (90, 2293142), (109, 1893420), (134, 1540170), (157, 1314540), (180, 1146571), (201, 1026780), (218, 946710), (268, 770085), (314, 657270), (327, 631140), (335, 616068), (402, 513390), (436, 473355), (471, 438180), (545, 378684), (603, 342260), (628, 328635), (654, 315570), (670, 308034), (785, 262908), (804, 256695), (942, 219090), (981, 210380), (1005, 205356), (1090, 189342), (1206, 171130), (1308, 157785), (1340, 154017), (1413, 146060), (1570, 131454), (1635, 126228), (1884, 109545), (1962, 105190), (2010, 102678), (2180, 94671), (2355, 87636), (2412, 85565), (2826, 73030), (3015, 68452), (3140, 65727), (3270, 63114), (3924, 52595), (4020, 51339), (4710, 43818), (4905, 42076), (5652, 36515), (6030, 34226), (6540, 31557), (7065, 29212), (7303, 28260), (9420, 21909), (9810, 21038), (10519, 19620), (12060, 17113), (14130, 14606)]