81748710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4519}}^1$

素因数の和:4602

約数の個数: 64

約数和(自身を含む): 221299200

約数和(自身を除く): 139550490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 90, 134, 135, 201, 270, 335, 402, 603, 670, 1005, 1206, 1809, 2010, 3015, 3618, 4519, 6030, 9038, 9045, 13557, 18090, 22595, 27114, 40671, 45190, 67785, 81342, 122013, 135570, 203355, 244026, 302773, 406710, 605546, 610065, 908319, 1220130, 1513865, 1816638, 2724957, 3027730, 4541595, 5449914, 8174871, 9083190, 13624785, 16349742, 27249570, 40874355, 81748710]

約数ペア:

[(1, 81748710), (2, 40874355), (3, 27249570), (5, 16349742), (6, 13624785), (9, 9083190), (10, 8174871), (15, 5449914), (18, 4541595), (27, 3027730), (30, 2724957), (45, 1816638), (54, 1513865), (67, 1220130), (90, 908319), (134, 610065), (135, 605546), (201, 406710), (270, 302773), (335, 244026), (402, 203355), (603, 135570), (670, 122013), (1005, 81342), (1206, 67785), (1809, 45190), (2010, 40671), (3015, 27114), (3618, 22595), (4519, 18090), (6030, 13557), (9038, 9045)]