245697320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18013}}^1$

素因数の和:18066

約数の個数: 64

約数和(自身を含む): 622563840

約数和(自身を除く): 376866520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 18013, 36026, 72052, 90065, 144104, 180130, 198143, 360260, 396286, 558403, 720520, 792572, 990715, 1116806, 1585144, 1981430, 2233612, 2792015, 3962860, 4467224, 5584030, 6142433, 7925720, 11168060, 12284866, 22336120, 24569732, 30712165, 49139464, 61424330, 122848660, 245697320]

約数ペア:

[(1, 245697320), (2, 122848660), (4, 61424330), (5, 49139464), (8, 30712165), (10, 24569732), (11, 22336120), (20, 12284866), (22, 11168060), (31, 7925720), (40, 6142433), (44, 5584030), (55, 4467224), (62, 3962860), (88, 2792015), (110, 2233612), (124, 1981430), (155, 1585144), (220, 1116806), (248, 990715), (310, 792572), (341, 720520), (440, 558403), (620, 396286), (682, 360260), (1240, 198143), (1364, 180130), (1705, 144104), (2728, 90065), (3410, 72052), (6820, 36026), (13640, 18013)]