20462690400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{61339}}^1$

素因数の和:61501

約数の個数: 144

約数和(自身を含む): 67086331200

約数和(自身を除く): 46623640800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 139, 150, 160, 200, 240, 278, 300, 400, 417, 480, 556, 600, 695, 800, 834, 1112, 1200, 1390, 1668, 2085, 2224, 2400, 2780, 3336, 3475, 4170, 4448, 5560, 6672, 6950, 8340, 10425, 11120, 13344, 13900, 16680, 20850, 22240, 27800, 33360, 41700, 55600, 61339, 66720, 83400, 111200, 122678, 166800, 184017, 245356, 306695, 333600, 368034, 490712, 613390, 736068, 920085, 981424, 1226780, 1472136, 1533475, 1840170, 1962848, 2453560, 2944272, 3066950, 3680340, 4600425, 4907120, 5888544, 6133900, 7360680, 8526121, 9200850, 9814240, 12267800, 14721360, 17052242, 18401700, 24535600, 25578363, 29442720, 34104484, 36803400, 42630605, 49071200, 51156726, 68208968, 73606800, 85261210, 102313452, 127891815, 136417936, 147213600, 170522420, 204626904, 213153025, 255783630, 272835872, 341044840, 409253808, 426306050, 511567260, 639459075, 682089680, 818507616, 852612100, 1023134520, 1278918150, 1364179360, 1705224200, 2046269040, 2557836300, 3410448400, 4092538080, 5115672600, 6820896800, 10231345200, 20462690400]

約数ペア:

[(1, 20462690400), (2, 10231345200), (3, 6820896800), (4, 5115672600), (5, 4092538080), (6, 3410448400), (8, 2557836300), (10, 2046269040), (12, 1705224200), (15, 1364179360), (16, 1278918150), (20, 1023134520), (24, 852612100), (25, 818507616), (30, 682089680), (32, 639459075), (40, 511567260), (48, 426306050), (50, 409253808), (60, 341044840), (75, 272835872), (80, 255783630), (96, 213153025), (100, 204626904), (120, 170522420), (139, 147213600), (150, 136417936), (160, 127891815), (200, 102313452), (240, 85261210), (278, 73606800), (300, 68208968), (400, 51156726), (417, 49071200), (480, 42630605), (556, 36803400), (600, 34104484), (695, 29442720), (800, 25578363), (834, 24535600), (1112, 18401700), (1200, 17052242), (1390, 14721360), (1668, 12267800), (2085, 9814240), (2224, 9200850), (2400, 8526121), (2780, 7360680), (3336, 6133900), (3475, 5888544), (4170, 4907120), (4448, 4600425), (5560, 3680340), (6672, 3066950), (6950, 2944272), (8340, 2453560), (10425, 1962848), (11120, 1840170), (13344, 1533475), (13900, 1472136), (16680, 1226780), (20850, 981424), (22240, 920085), (27800, 736068), (33360, 613390), (41700, 490712), (55600, 368034), (61339, 333600), (66720, 306695), (83400, 245356), (111200, 184017), (122678, 166800)]