31715320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8713}}^1$

素因数の和:8744

約数の個数: 64

約数和(自身を含む): 87837120

約数和(自身を除く): 56121800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 8713, 17426, 34852, 43565, 60991, 69704, 87130, 113269, 121982, 174260, 226538, 243964, 304955, 348520, 453076, 487928, 566345, 609910, 792883, 906152, 1132690, 1219820, 1585766, 2265380, 2439640, 3171532, 3964415, 4530760, 6343064, 7928830, 15857660, 31715320]

約数ペア:

[(1, 31715320), (2, 15857660), (4, 7928830), (5, 6343064), (7, 4530760), (8, 3964415), (10, 3171532), (13, 2439640), (14, 2265380), (20, 1585766), (26, 1219820), (28, 1132690), (35, 906152), (40, 792883), (52, 609910), (56, 566345), (65, 487928), (70, 453076), (91, 348520), (104, 304955), (130, 243964), (140, 226538), (182, 174260), (260, 121982), (280, 113269), (364, 87130), (455, 69704), (520, 60991), (728, 43565), (910, 34852), (1820, 17426), (3640, 8713)]