2138810880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{278491}}^1$

素因数の和:278517

約数の個数: 80

約数和(自身を含む): 6837535584

約数和(自身を除く): 4698724704

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 278491, 556982, 835473, 1113964, 1392455, 1670946, 2227928, 2784910, 3341892, 4177365, 4455856, 5569820, 6683784, 8354730, 8911712, 11139640, 13367568, 16709460, 17823424, 22279280, 26735136, 33418920, 35646848, 44558560, 53470272, 66837840, 71293696, 89117120, 106940544, 133675680, 142587392, 178234240, 213881088, 267351360, 356468480, 427762176, 534702720, 712936960, 1069405440, 2138810880]

約数ペア:

[(1, 2138810880), (2, 1069405440), (3, 712936960), (4, 534702720), (5, 427762176), (6, 356468480), (8, 267351360), (10, 213881088), (12, 178234240), (15, 142587392), (16, 133675680), (20, 106940544), (24, 89117120), (30, 71293696), (32, 66837840), (40, 53470272), (48, 44558560), (60, 35646848), (64, 33418920), (80, 26735136), (96, 22279280), (120, 17823424), (128, 16709460), (160, 13367568), (192, 11139640), (240, 8911712), (256, 8354730), (320, 6683784), (384, 5569820), (480, 4455856), (512, 4177365), (640, 3341892), (768, 2784910), (960, 2227928), (1280, 1670946), (1536, 1392455), (1920, 1113964), (2560, 835473), (3840, 556982), (7680, 278491)]