31812780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31189}}^1$

素因数の和:31218

約数の個数: 48

約数和(自身を含む): 94318560

約数和(自身を除く): 62505780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 31189, 62378, 93567, 124756, 155945, 187134, 311890, 374268, 467835, 530213, 623780, 935670, 1060426, 1590639, 1871340, 2120852, 2651065, 3181278, 5302130, 6362556, 7953195, 10604260, 15906390, 31812780]

約数ペア:

[(1, 31812780), (2, 15906390), (3, 10604260), (4, 7953195), (5, 6362556), (6, 5302130), (10, 3181278), (12, 2651065), (15, 2120852), (17, 1871340), (20, 1590639), (30, 1060426), (34, 935670), (51, 623780), (60, 530213), (68, 467835), (85, 374268), (102, 311890), (170, 187134), (204, 155945), (255, 124756), (340, 93567), (510, 62378), (1020, 31189)]