1281330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 3481920

約数和(自身を除く): 2200590

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 619, 690, 1035, 1238, 1857, 2070, 3095, 3714, 5571, 6190, 9285, 11142, 14237, 18570, 27855, 28474, 42711, 55710, 71185, 85422, 128133, 142370, 213555, 256266, 427110, 640665, 1281330]

約数ペア:

[(1, 1281330), (2, 640665), (3, 427110), (5, 256266), (6, 213555), (9, 142370), (10, 128133), (15, 85422), (18, 71185), (23, 55710), (30, 42711), (45, 28474), (46, 27855), (69, 18570), (90, 14237), (115, 11142), (138, 9285), (207, 6190), (230, 5571), (345, 3714), (414, 3095), (619, 2070), (690, 1857), (1035, 1238)]