18712560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{77969}}^1$

素因数の和:77985

約数の個数: 40

約数和(自身を含む): 58009680

約数和(自身を除く): 39297120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 77969, 155938, 233907, 311876, 389845, 467814, 623752, 779690, 935628, 1169535, 1247504, 1559380, 1871256, 2339070, 3118760, 3742512, 4678140, 6237520, 9356280, 18712560]

約数ペア:

[(1, 18712560), (2, 9356280), (3, 6237520), (4, 4678140), (5, 3742512), (6, 3118760), (8, 2339070), (10, 1871256), (12, 1559380), (15, 1247504), (16, 1169535), (20, 935628), (24, 779690), (30, 623752), (40, 467814), (48, 389845), (60, 311876), (80, 233907), (120, 155938), (240, 77969)]