115321280

素因数分解:

$2^6\times 5^1\times {\mathrm{557}}^1\times {\mathrm{647}}^1$

素因数の和:1221

約数の個数: 56

約数和(自身を含む): 275527008

約数和(自身を除く): 160205728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 557, 647, 1114, 1294, 2228, 2588, 2785, 3235, 4456, 5176, 5570, 6470, 8912, 10352, 11140, 12940, 17824, 20704, 22280, 25880, 35648, 41408, 44560, 51760, 89120, 103520, 178240, 207040, 360379, 720758, 1441516, 1801895, 2883032, 3603790, 5766064, 7207580, 11532128, 14415160, 23064256, 28830320, 57660640, 115321280]

約数ペア:

[(1, 115321280), (2, 57660640), (4, 28830320), (5, 23064256), (8, 14415160), (10, 11532128), (16, 7207580), (20, 5766064), (32, 3603790), (40, 2883032), (64, 1801895), (80, 1441516), (160, 720758), (320, 360379), (557, 207040), (647, 178240), (1114, 103520), (1294, 89120), (2228, 51760), (2588, 44560), (2785, 41408), (3235, 35648), (4456, 25880), (5176, 22280), (5570, 20704), (6470, 17824), (8912, 12940), (10352, 11140)]