155520640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22091}}^1$

素因数の和:22121

約数の個数: 64

約数和(自身を含む): 405609120

約数和(自身を除く): 250088480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 22091, 44182, 88364, 110455, 176728, 220910, 243001, 353456, 441820, 486002, 706912, 883640, 972004, 1215005, 1413824, 1767280, 1944008, 2430010, 2827648, 3534560, 3888016, 4860020, 7069120, 7776032, 9720040, 14138240, 15552064, 19440080, 31104128, 38880160, 77760320, 155520640]

約数ペア:

[(1, 155520640), (2, 77760320), (4, 38880160), (5, 31104128), (8, 19440080), (10, 15552064), (11, 14138240), (16, 9720040), (20, 7776032), (22, 7069120), (32, 4860020), (40, 3888016), (44, 3534560), (55, 2827648), (64, 2430010), (80, 1944008), (88, 1767280), (110, 1413824), (128, 1215005), (160, 972004), (176, 883640), (220, 706912), (320, 486002), (352, 441820), (440, 353456), (640, 243001), (704, 220910), (880, 176728), (1408, 110455), (1760, 88364), (3520, 44182), (7040, 22091)]