257533380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{701}}^1$

素因数の和:886

約数の個数: 144

約数和(自身を含む): 847841904

約数和(自身を除く): 590308524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 157, 180, 195, 234, 260, 314, 390, 468, 471, 585, 628, 701, 780, 785, 942, 1170, 1402, 1413, 1570, 1884, 2041, 2103, 2340, 2355, 2804, 2826, 3140, 3505, 4082, 4206, 4710, 5652, 6123, 6309, 7010, 7065, 8164, 8412, 9113, 9420, 10205, 10515, 12246, 12618, 14020, 14130, 18226, 18369, 20410, 21030, 24492, 25236, 27339, 28260, 30615, 31545, 36452, 36738, 40820, 42060, 45565, 54678, 61230, 63090, 73476, 82017, 91130, 91845, 109356, 110057, 122460, 126180, 136695, 164034, 182260, 183690, 220114, 273390, 328068, 330171, 367380, 410085, 440228, 546780, 550285, 660342, 820170, 990513, 1100570, 1320684, 1430741, 1640340, 1650855, 1981026, 2201140, 2861482, 3301710, 3962052, 4292223, 4952565, 5722964, 6603420, 7153705, 8584446, 9905130, 12876669, 14307410, 17168892, 19810260, 21461115, 25753338, 28614820, 42922230, 51506676, 64383345, 85844460, 128766690, 257533380]

約数ペア:

[(1, 257533380), (2, 128766690), (3, 85844460), (4, 64383345), (5, 51506676), (6, 42922230), (9, 28614820), (10, 25753338), (12, 21461115), (13, 19810260), (15, 17168892), (18, 14307410), (20, 12876669), (26, 9905130), (30, 8584446), (36, 7153705), (39, 6603420), (45, 5722964), (52, 4952565), (60, 4292223), (65, 3962052), (78, 3301710), (90, 2861482), (117, 2201140), (130, 1981026), (156, 1650855), (157, 1640340), (180, 1430741), (195, 1320684), (234, 1100570), (260, 990513), (314, 820170), (390, 660342), (468, 550285), (471, 546780), (585, 440228), (628, 410085), (701, 367380), (780, 330171), (785, 328068), (942, 273390), (1170, 220114), (1402, 183690), (1413, 182260), (1570, 164034), (1884, 136695), (2041, 126180), (2103, 122460), (2340, 110057), (2355, 109356), (2804, 91845), (2826, 91130), (3140, 82017), (3505, 73476), (4082, 63090), (4206, 61230), (4710, 54678), (5652, 45565), (6123, 42060), (6309, 40820), (7010, 36738), (7065, 36452), (8164, 31545), (8412, 30615), (9113, 28260), (9420, 27339), (10205, 25236), (10515, 24492), (12246, 21030), (12618, 20410), (14020, 18369), (14130, 18226)]