81181890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{13463}}^1$

素因数の和:13543

約数の個数: 48

約数和(自身を含む): 214239168

約数和(自身を除く): 133057278

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 67, 90, 134, 201, 335, 402, 603, 670, 1005, 1206, 2010, 3015, 6030, 13463, 26926, 40389, 67315, 80778, 121167, 134630, 201945, 242334, 403890, 605835, 902021, 1211670, 1804042, 2706063, 4510105, 5412126, 8118189, 9020210, 13530315, 16236378, 27060630, 40590945, 81181890]

約数ペア:

[(1, 81181890), (2, 40590945), (3, 27060630), (5, 16236378), (6, 13530315), (9, 9020210), (10, 8118189), (15, 5412126), (18, 4510105), (30, 2706063), (45, 1804042), (67, 1211670), (90, 902021), (134, 605835), (201, 403890), (335, 242334), (402, 201945), (603, 134630), (670, 121167), (1005, 80778), (1206, 67315), (2010, 40389), (3015, 26926), (6030, 13463)]