201016242520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1\times {\mathrm{1597}}^1$

素因数の和:2945

約数の個数: 128

約数和(自身を含む): 473183907840

約数和(自身を除く): 272167665320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1223, 1240, 1597, 1660, 2446, 2573, 3194, 3320, 4892, 5146, 6115, 6388, 7985, 9784, 10292, 12230, 12776, 12865, 15970, 20584, 24460, 25730, 31940, 37913, 48920, 49507, 51460, 63880, 75826, 99014, 101509, 102920, 132551, 151652, 189565, 198028, 203018, 247535, 265102, 303304, 379130, 396056, 406036, 495070, 507545, 530204, 662755, 758260, 812072, 990140, 1015090, 1060408, 1325510, 1516520, 1953131, 1980280, 2030180, 2651020, 3146779, 3906262, 4060360, 4109081, 5302040, 6293558, 7812524, 8218162, 9765655, 12587116, 15625048, 15733895, 16436324, 19531310, 20545405, 25174232, 31467790, 32872648, 39062620, 41090810, 60547061, 62935580, 78125240, 82181620, 121094122, 125871160, 162109873, 164363240, 242188244, 302735305, 324219746, 484376488, 605470610, 648439492, 810549365, 1210941220, 1296878984, 1621098730, 2421882440, 3242197460, 5025406063, 6484394920, 10050812126, 20101624252, 25127030315, 40203248504, 50254060630, 100508121260, 201016242520]

約数ペア:

[(1, 201016242520), (2, 100508121260), (4, 50254060630), (5, 40203248504), (8, 25127030315), (10, 20101624252), (20, 10050812126), (31, 6484394920), (40, 5025406063), (62, 3242197460), (83, 2421882440), (124, 1621098730), (155, 1296878984), (166, 1210941220), (248, 810549365), (310, 648439492), (332, 605470610), (415, 484376488), (620, 324219746), (664, 302735305), (830, 242188244), (1223, 164363240), (1240, 162109873), (1597, 125871160), (1660, 121094122), (2446, 82181620), (2573, 78125240), (3194, 62935580), (3320, 60547061), (4892, 41090810), (5146, 39062620), (6115, 32872648), (6388, 31467790), (7985, 25174232), (9784, 20545405), (10292, 19531310), (12230, 16436324), (12776, 15733895), (12865, 15625048), (15970, 12587116), (20584, 9765655), (24460, 8218162), (25730, 7812524), (31940, 6293558), (37913, 5302040), (48920, 4109081), (49507, 4060360), (51460, 3906262), (63880, 3146779), (75826, 2651020), (99014, 2030180), (101509, 1980280), (102920, 1953131), (132551, 1516520), (151652, 1325510), (189565, 1060408), (198028, 1015090), (203018, 990140), (247535, 812072), (265102, 758260), (303304, 662755), (379130, 530204), (396056, 507545), (406036, 495070)]