31430640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:946

約数の個数: 80

約数和(自身を含む): 98127648

約数和(自身を除く): 66697008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 173, 240, 346, 519, 692, 757, 865, 1038, 1384, 1514, 1730, 2076, 2271, 2595, 2768, 3028, 3460, 3785, 4152, 4542, 5190, 6056, 6920, 7570, 8304, 9084, 10380, 11355, 12112, 13840, 15140, 18168, 20760, 22710, 30280, 36336, 41520, 45420, 60560, 90840, 130961, 181680, 261922, 392883, 523844, 654805, 785766, 1047688, 1309610, 1571532, 1964415, 2095376, 2619220, 3143064, 3928830, 5238440, 6286128, 7857660, 10476880, 15715320, 31430640]

約数ペア:

[(1, 31430640), (2, 15715320), (3, 10476880), (4, 7857660), (5, 6286128), (6, 5238440), (8, 3928830), (10, 3143064), (12, 2619220), (15, 2095376), (16, 1964415), (20, 1571532), (24, 1309610), (30, 1047688), (40, 785766), (48, 654805), (60, 523844), (80, 392883), (120, 261922), (173, 181680), (240, 130961), (346, 90840), (519, 60560), (692, 45420), (757, 41520), (865, 36336), (1038, 30280), (1384, 22710), (1514, 20760), (1730, 18168), (2076, 15140), (2271, 13840), (2595, 12112), (2768, 11355), (3028, 10380), (3460, 9084), (3785, 8304), (4152, 7570), (4542, 6920), (5190, 6056)]