31166120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 72919440

約数和(自身を除く): 41753320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 241, 244, 265, 305, 424, 482, 488, 530, 610, 964, 1060, 1205, 1220, 1928, 2120, 2410, 2440, 3233, 4820, 6466, 9640, 12773, 12932, 14701, 16165, 25546, 25864, 29402, 32330, 51092, 58804, 63865, 64660, 73505, 102184, 117608, 127730, 129320, 147010, 255460, 294020, 510920, 588040, 779153, 1558306, 3116612, 3895765, 6233224, 7791530, 15583060, 31166120]

約数ペア:

[(1, 31166120), (2, 15583060), (4, 7791530), (5, 6233224), (8, 3895765), (10, 3116612), (20, 1558306), (40, 779153), (53, 588040), (61, 510920), (106, 294020), (122, 255460), (212, 147010), (241, 129320), (244, 127730), (265, 117608), (305, 102184), (424, 73505), (482, 64660), (488, 63865), (530, 58804), (610, 51092), (964, 32330), (1060, 29402), (1205, 25864), (1220, 25546), (1928, 16165), (2120, 14701), (2410, 12932), (2440, 12773), (3233, 9640), (4820, 6466)]