630957580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{1021}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 1474696944

約数和(自身を除く): 843739364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1021, 1060, 1166, 2042, 2332, 2809, 2915, 4084, 5105, 5618, 5830, 10210, 11231, 11236, 11660, 14045, 20420, 22462, 28090, 30899, 44924, 54113, 56155, 56180, 61798, 108226, 112310, 123596, 154495, 216452, 224620, 270565, 308990, 541130, 595243, 617980, 1082260, 1190486, 2380972, 2867989, 2976215, 5735978, 5952430, 11471956, 11904860, 14339945, 28679890, 31547879, 57359780, 63095758, 126191516, 157739395, 315478790, 630957580]

約数ペア:

[(1, 630957580), (2, 315478790), (4, 157739395), (5, 126191516), (10, 63095758), (11, 57359780), (20, 31547879), (22, 28679890), (44, 14339945), (53, 11904860), (55, 11471956), (106, 5952430), (110, 5735978), (212, 2976215), (220, 2867989), (265, 2380972), (530, 1190486), (583, 1082260), (1021, 617980), (1060, 595243), (1166, 541130), (2042, 308990), (2332, 270565), (2809, 224620), (2915, 216452), (4084, 154495), (5105, 123596), (5618, 112310), (5830, 108226), (10210, 61798), (11231, 56180), (11236, 56155), (11660, 54113), (14045, 44924), (20420, 30899), (22462, 28090)]