210381570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:889

約数の個数: 128

約数和(自身を含む): 646156800

約数和(自身を除く): 435775230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 157, 189, 210, 270, 314, 315, 378, 471, 630, 709, 785, 942, 945, 1099, 1413, 1418, 1570, 1890, 2127, 2198, 2355, 2826, 3297, 3545, 4239, 4254, 4710, 4963, 5495, 6381, 6594, 7065, 7090, 8478, 9891, 9926, 10635, 10990, 12762, 14130, 14889, 16485, 19143, 19782, 21195, 21270, 24815, 29673, 29778, 31905, 32970, 38286, 42390, 44667, 49455, 49630, 59346, 63810, 74445, 89334, 95715, 98910, 111313, 134001, 148365, 148890, 191430, 222626, 223335, 268002, 296730, 333939, 446670, 556565, 667878, 670005, 779191, 1001817, 1113130, 1340010, 1558382, 1669695, 2003634, 2337573, 3005451, 3339390, 3895955, 4675146, 5009085, 6010902, 7012719, 7791910, 10018170, 11687865, 14025438, 15027255, 21038157, 23375730, 30054510, 35063595, 42076314, 70127190, 105190785, 210381570]

約数ペア:

[(1, 210381570), (2, 105190785), (3, 70127190), (5, 42076314), (6, 35063595), (7, 30054510), (9, 23375730), (10, 21038157), (14, 15027255), (15, 14025438), (18, 11687865), (21, 10018170), (27, 7791910), (30, 7012719), (35, 6010902), (42, 5009085), (45, 4675146), (54, 3895955), (63, 3339390), (70, 3005451), (90, 2337573), (105, 2003634), (126, 1669695), (135, 1558382), (157, 1340010), (189, 1113130), (210, 1001817), (270, 779191), (314, 670005), (315, 667878), (378, 556565), (471, 446670), (630, 333939), (709, 296730), (785, 268002), (942, 223335), (945, 222626), (1099, 191430), (1413, 148890), (1418, 148365), (1570, 134001), (1890, 111313), (2127, 98910), (2198, 95715), (2355, 89334), (2826, 74445), (3297, 63810), (3545, 59346), (4239, 49630), (4254, 49455), (4710, 44667), (4963, 42390), (5495, 38286), (6381, 32970), (6594, 31905), (7065, 29778), (7090, 29673), (8478, 24815), (9891, 21270), (9926, 21195), (10635, 19782), (10990, 19143), (12762, 16485), (14130, 14889)]