27677680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 41067920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 139, 152, 190, 262, 278, 304, 380, 524, 556, 655, 695, 760, 1048, 1112, 1310, 1390, 1520, 2096, 2224, 2489, 2620, 2641, 2780, 4978, 5240, 5282, 5560, 9956, 10480, 10564, 11120, 12445, 13205, 18209, 19912, 21128, 24890, 26410, 36418, 39824, 42256, 49780, 52820, 72836, 91045, 99560, 105640, 145672, 182090, 199120, 211280, 291344, 345971, 364180, 691942, 728360, 1383884, 1456720, 1729855, 2767768, 3459710, 5535536, 6919420, 13838840, 27677680]

約数ペア:

[(1, 27677680), (2, 13838840), (4, 6919420), (5, 5535536), (8, 3459710), (10, 2767768), (16, 1729855), (19, 1456720), (20, 1383884), (38, 728360), (40, 691942), (76, 364180), (80, 345971), (95, 291344), (131, 211280), (139, 199120), (152, 182090), (190, 145672), (262, 105640), (278, 99560), (304, 91045), (380, 72836), (524, 52820), (556, 49780), (655, 42256), (695, 39824), (760, 36418), (1048, 26410), (1112, 24890), (1310, 21128), (1390, 19912), (1520, 18209), (2096, 13205), (2224, 12445), (2489, 11120), (2620, 10564), (2641, 10480), (2780, 9956), (4978, 5560), (5240, 5282)]