51282990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 154275840

約数和(自身を除く): 102992850

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 90, 93, 99, 110, 135, 155, 165, 186, 198, 270, 279, 297, 310, 330, 341, 465, 495, 557, 558, 594, 682, 837, 930, 990, 1023, 1114, 1395, 1485, 1671, 1674, 1705, 2046, 2785, 2790, 2970, 3069, 3342, 3410, 4185, 5013, 5115, 5570, 6127, 6138, 8355, 8370, 9207, 10026, 10230, 12254, 15039, 15345, 16710, 17267, 18381, 18414, 25065, 30078, 30635, 30690, 34534, 36762, 46035, 50130, 51801, 55143, 61270, 75195, 86335, 91905, 92070, 103602, 110286, 150390, 155403, 165429, 172670, 183810, 189937, 259005, 275715, 310806, 330858, 379874, 466209, 518010, 551430, 569811, 777015, 827145, 932418, 949685, 1139622, 1554030, 1654290, 1709433, 1899370, 2331045, 2849055, 3418866, 4662090, 5128299, 5698110, 8547165, 10256598, 17094330, 25641495, 51282990]

約数ペア:

[(1, 51282990), (2, 25641495), (3, 17094330), (5, 10256598), (6, 8547165), (9, 5698110), (10, 5128299), (11, 4662090), (15, 3418866), (18, 2849055), (22, 2331045), (27, 1899370), (30, 1709433), (31, 1654290), (33, 1554030), (45, 1139622), (54, 949685), (55, 932418), (62, 827145), (66, 777015), (90, 569811), (93, 551430), (99, 518010), (110, 466209), (135, 379874), (155, 330858), (165, 310806), (186, 275715), (198, 259005), (270, 189937), (279, 183810), (297, 172670), (310, 165429), (330, 155403), (341, 150390), (465, 110286), (495, 103602), (557, 92070), (558, 91905), (594, 86335), (682, 75195), (837, 61270), (930, 55143), (990, 51801), (1023, 50130), (1114, 46035), (1395, 36762), (1485, 34534), (1671, 30690), (1674, 30635), (1705, 30078), (2046, 25065), (2785, 18414), (2790, 18381), (2970, 17267), (3069, 16710), (3342, 15345), (3410, 15039), (4185, 12254), (5013, 10230), (5115, 10026), (5570, 9207), (6127, 8370), (6138, 8355)]