1615666840

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{8563}}^1$

素因数の和:8716

約数の個数: 64

約数和(自身を含む): 3745893600

約数和(自身を除く): 2130226760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 89, 106, 178, 212, 265, 356, 424, 445, 530, 712, 890, 1060, 1780, 2120, 3560, 4717, 8563, 9434, 17126, 18868, 23585, 34252, 37736, 42815, 47170, 68504, 85630, 94340, 171260, 188680, 342520, 453839, 762107, 907678, 1524214, 1815356, 2269195, 3048428, 3630712, 3810535, 4538390, 6096856, 7621070, 9076780, 15242140, 18153560, 30484280, 40391671, 80783342, 161566684, 201958355, 323133368, 403916710, 807833420, 1615666840]

約数ペア:

[(1, 1615666840), (2, 807833420), (4, 403916710), (5, 323133368), (8, 201958355), (10, 161566684), (20, 80783342), (40, 40391671), (53, 30484280), (89, 18153560), (106, 15242140), (178, 9076780), (212, 7621070), (265, 6096856), (356, 4538390), (424, 3810535), (445, 3630712), (530, 3048428), (712, 2269195), (890, 1815356), (1060, 1524214), (1780, 907678), (2120, 762107), (3560, 453839), (4717, 342520), (8563, 188680), (9434, 171260), (17126, 94340), (18868, 85630), (23585, 68504), (34252, 47170), (37736, 42815)]