31279360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{3491}}^1$

素因数の和:3519

約数の個数: 72

約数和(自身を含む): 85651776

約数和(自身を除く): 54372416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 3491, 4480, 6982, 8960, 13964, 17455, 24437, 27928, 34910, 48874, 55856, 69820, 97748, 111712, 122185, 139640, 195496, 223424, 244370, 279280, 390992, 446848, 488740, 558560, 781984, 893696, 977480, 1117120, 1563968, 1954960, 2234240, 3127936, 3909920, 4468480, 6255872, 7819840, 15639680, 31279360]

約数ペア:

[(1, 31279360), (2, 15639680), (4, 7819840), (5, 6255872), (7, 4468480), (8, 3909920), (10, 3127936), (14, 2234240), (16, 1954960), (20, 1563968), (28, 1117120), (32, 977480), (35, 893696), (40, 781984), (56, 558560), (64, 488740), (70, 446848), (80, 390992), (112, 279280), (128, 244370), (140, 223424), (160, 195496), (224, 139640), (256, 122185), (280, 111712), (320, 97748), (448, 69820), (560, 55856), (640, 48874), (896, 34910), (1120, 27928), (1280, 24437), (1792, 17455), (2240, 13964), (3491, 8960), (4480, 6982)]