81898980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{6121}}^1$

素因数の和:6356

約数の個数: 48

約数和(自身を含む): 230383104

約数和(自身を除く): 148484124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 2230, 2676, 3345, 4460, 6121, 6690, 12242, 13380, 18363, 24484, 30605, 36726, 61210, 73452, 91815, 122420, 183630, 367260, 1364983, 2729966, 4094949, 5459932, 6824915, 8189898, 13649830, 16379796, 20474745, 27299660, 40949490, 81898980]

約数ペア:

[(1, 81898980), (2, 40949490), (3, 27299660), (4, 20474745), (5, 16379796), (6, 13649830), (10, 8189898), (12, 6824915), (15, 5459932), (20, 4094949), (30, 2729966), (60, 1364983), (223, 367260), (446, 183630), (669, 122420), (892, 91815), (1115, 73452), (1338, 61210), (2230, 36726), (2676, 30605), (3345, 24484), (4460, 18363), (6121, 13380), (6690, 12242)]