61405440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{15991}}^1$

素因数の和:16015

約数の個数: 72

約数和(自身を含む): 196125888

約数和(自身を除く): 134720448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 15991, 31982, 47973, 63964, 79955, 95946, 127928, 159910, 191892, 239865, 255856, 319820, 383784, 479730, 511712, 639640, 767568, 959460, 1023424, 1279280, 1535136, 1918920, 2046848, 2558560, 3070272, 3837840, 4093696, 5117120, 6140544, 7675680, 10234240, 12281088, 15351360, 20468480, 30702720, 61405440]

約数ペア:

[(1, 61405440), (2, 30702720), (3, 20468480), (4, 15351360), (5, 12281088), (6, 10234240), (8, 7675680), (10, 6140544), (12, 5117120), (15, 4093696), (16, 3837840), (20, 3070272), (24, 2558560), (30, 2046848), (32, 1918920), (40, 1535136), (48, 1279280), (60, 1023424), (64, 959460), (80, 767568), (96, 639640), (120, 511712), (128, 479730), (160, 383784), (192, 319820), (240, 255856), (256, 239865), (320, 191892), (384, 159910), (480, 127928), (640, 95946), (768, 79955), (960, 63964), (1280, 47973), (1920, 31982), (3840, 15991)]