81420672

素因数分解:

$2^7\times 3^1\times {\mathrm{43}}^1\times {\mathrm{4931}}^1$

素因数の和:4991

約数の個数: 64

約数和(自身を含む): 221348160

約数和(自身を除く): 139927488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 48, 64, 86, 96, 128, 129, 172, 192, 258, 344, 384, 516, 688, 1032, 1376, 2064, 2752, 4128, 4931, 5504, 8256, 9862, 14793, 16512, 19724, 29586, 39448, 59172, 78896, 118344, 157792, 212033, 236688, 315584, 424066, 473376, 631168, 636099, 848132, 946752, 1272198, 1696264, 1893504, 2544396, 3392528, 5088792, 6785056, 10177584, 13570112, 20355168, 27140224, 40710336, 81420672]

約数ペア:

[(1, 81420672), (2, 40710336), (3, 27140224), (4, 20355168), (6, 13570112), (8, 10177584), (12, 6785056), (16, 5088792), (24, 3392528), (32, 2544396), (43, 1893504), (48, 1696264), (64, 1272198), (86, 946752), (96, 848132), (128, 636099), (129, 631168), (172, 473376), (192, 424066), (258, 315584), (344, 236688), (384, 212033), (516, 157792), (688, 118344), (1032, 78896), (1376, 59172), (2064, 39448), (2752, 29586), (4128, 19724), (4931, 16512), (5504, 14793), (8256, 9862)]