31067680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{27739}}^1$

素因数の和:27761

約数の個数: 48

約数和(自身を含む): 83885760

約数和(自身を除く): 52818080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 27739, 55478, 110956, 138695, 194173, 221912, 277390, 388346, 443824, 554780, 776692, 887648, 970865, 1109560, 1553384, 1941730, 2219120, 3106768, 3883460, 4438240, 6213536, 7766920, 15533840, 31067680]

約数ペア:

[(1, 31067680), (2, 15533840), (4, 7766920), (5, 6213536), (7, 4438240), (8, 3883460), (10, 3106768), (14, 2219120), (16, 1941730), (20, 1553384), (28, 1109560), (32, 970865), (35, 887648), (40, 776692), (56, 554780), (70, 443824), (80, 388346), (112, 277390), (140, 221912), (160, 194173), (224, 138695), (280, 110956), (560, 55478), (1120, 27739)]