64141920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{44543}}^1$

素因数の和:44564

約数の個数: 72

約数和(自身を含む): 218889216

約数和(自身を除く): 154747296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 44543, 89086, 133629, 178172, 222715, 267258, 356344, 400887, 445430, 534516, 668145, 712688, 801774, 890860, 1069032, 1336290, 1425376, 1603548, 1781720, 2004435, 2138064, 2672580, 3207096, 3563440, 4008870, 4276128, 5345160, 6414192, 7126880, 8017740, 10690320, 12828384, 16035480, 21380640, 32070960, 64141920]

約数ペア:

[(1, 64141920), (2, 32070960), (3, 21380640), (4, 16035480), (5, 12828384), (6, 10690320), (8, 8017740), (9, 7126880), (10, 6414192), (12, 5345160), (15, 4276128), (16, 4008870), (18, 3563440), (20, 3207096), (24, 2672580), (30, 2138064), (32, 2004435), (36, 1781720), (40, 1603548), (45, 1425376), (48, 1336290), (60, 1069032), (72, 890860), (80, 801774), (90, 712688), (96, 668145), (120, 534516), (144, 445430), (160, 400887), (180, 356344), (240, 267258), (288, 222715), (360, 178172), (480, 133629), (720, 89086), (1440, 44543)]