645234984

素因数分解:

$2^3\times 3^8\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:696

約数の個数: 144

約数和(自身を含む): 1913090400

約数和(自身を除く): 1267855416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 243, 324, 342, 456, 486, 513, 647, 648, 684, 729, 972, 1026, 1294, 1368, 1458, 1539, 1941, 1944, 2052, 2187, 2588, 2916, 3078, 3882, 4104, 4374, 4617, 5176, 5823, 5832, 6156, 6561, 7764, 8748, 9234, 11646, 12293, 12312, 13122, 13851, 15528, 17469, 17496, 18468, 23292, 24586, 26244, 27702, 34938, 36879, 36936, 41553, 46584, 49172, 52407, 52488, 55404, 69876, 73758, 83106, 98344, 104814, 110637, 110808, 124659, 139752, 147516, 157221, 166212, 209628, 221274, 249318, 295032, 314442, 331911, 332424, 419256, 442548, 471663, 498636, 628884, 663822, 885096, 943326, 995733, 997272, 1257768, 1327644, 1414989, 1886652, 1991466, 2655288, 2829978, 2987199, 3773304, 3982932, 4244967, 5659956, 5974398, 7965864, 8489934, 8961597, 11319912, 11948796, 16979868, 17923194, 23897592, 26884791, 33959736, 35846388, 53769582, 71692776, 80654373, 107539164, 161308746, 215078328, 322617492, 645234984]

約数ペア:

[(1, 645234984), (2, 322617492), (3, 215078328), (4, 161308746), (6, 107539164), (8, 80654373), (9, 71692776), (12, 53769582), (18, 35846388), (19, 33959736), (24, 26884791), (27, 23897592), (36, 17923194), (38, 16979868), (54, 11948796), (57, 11319912), (72, 8961597), (76, 8489934), (81, 7965864), (108, 5974398), (114, 5659956), (152, 4244967), (162, 3982932), (171, 3773304), (216, 2987199), (228, 2829978), (243, 2655288), (324, 1991466), (342, 1886652), (456, 1414989), (486, 1327644), (513, 1257768), (647, 997272), (648, 995733), (684, 943326), (729, 885096), (972, 663822), (1026, 628884), (1294, 498636), (1368, 471663), (1458, 442548), (1539, 419256), (1941, 332424), (1944, 331911), (2052, 314442), (2187, 295032), (2588, 249318), (2916, 221274), (3078, 209628), (3882, 166212), (4104, 157221), (4374, 147516), (4617, 139752), (5176, 124659), (5823, 110808), (5832, 110637), (6156, 104814), (6561, 98344), (7764, 83106), (8748, 73758), (9234, 69876), (11646, 55404), (12293, 52488), (12312, 52407), (13122, 49172), (13851, 46584), (15528, 41553), (17469, 36936), (17496, 36879), (18468, 34938), (23292, 27702), (24586, 26244)]