216731680

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{123143}}^1$

素因数の和:123169

約数の個数: 48

約数和(自身を含む): 558581184

約数和(自身を除く): 341849504

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 123143, 246286, 492572, 615715, 985144, 1231430, 1354573, 1970288, 2462860, 2709146, 3940576, 4925720, 5418292, 6772865, 9851440, 10836584, 13545730, 19702880, 21673168, 27091460, 43346336, 54182920, 108365840, 216731680]

約数ペア:

[(1, 216731680), (2, 108365840), (4, 54182920), (5, 43346336), (8, 27091460), (10, 21673168), (11, 19702880), (16, 13545730), (20, 10836584), (22, 9851440), (32, 6772865), (40, 5418292), (44, 4925720), (55, 3940576), (80, 2709146), (88, 2462860), (110, 1970288), (160, 1354573), (176, 1231430), (220, 985144), (352, 615715), (440, 492572), (880, 246286), (1760, 123143)]