18070920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 50668920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 71, 72, 84, 90, 101, 105, 120, 126, 140, 142, 168, 180, 202, 210, 213, 252, 280, 284, 303, 315, 355, 360, 404, 420, 426, 497, 504, 505, 568, 606, 630, 639, 707, 710, 808, 840, 852, 909, 994, 1010, 1065, 1212, 1260, 1278, 1414, 1420, 1491, 1515, 1704, 1818, 1988, 2020, 2121, 2130, 2424, 2485, 2520, 2556, 2828, 2840, 2982, 3030, 3195, 3535, 3636, 3976, 4040, 4242, 4260, 4473, 4545, 4970, 5112, 5656, 5964, 6060, 6363, 6390, 7070, 7171, 7272, 7455, 8484, 8520, 8946, 9090, 9940, 10605, 11928, 12120, 12726, 12780, 14140, 14342, 14910, 16968, 17892, 18180, 19880, 21210, 21513, 22365, 25452, 25560, 28280, 28684, 29820, 31815, 35784, 35855, 36360, 42420, 43026, 44730, 50197, 50904, 57368, 59640, 63630, 64539, 71710, 84840, 86052, 89460, 100394, 107565, 127260, 129078, 143420, 150591, 172104, 178920, 200788, 215130, 250985, 254520, 258156, 286840, 301182, 322695, 401576, 430260, 451773, 501970, 516312, 602364, 645390, 752955, 860520, 903546, 1003940, 1204728, 1290780, 1505910, 1807092, 2007880, 2258865, 2581560, 3011820, 3614184, 4517730, 6023640, 9035460, 18070920]

約数ペア:

[(1, 18070920), (2, 9035460), (3, 6023640), (4, 4517730), (5, 3614184), (6, 3011820), (7, 2581560), (8, 2258865), (9, 2007880), (10, 1807092), (12, 1505910), (14, 1290780), (15, 1204728), (18, 1003940), (20, 903546), (21, 860520), (24, 752955), (28, 645390), (30, 602364), (35, 516312), (36, 501970), (40, 451773), (42, 430260), (45, 401576), (56, 322695), (60, 301182), (63, 286840), (70, 258156), (71, 254520), (72, 250985), (84, 215130), (90, 200788), (101, 178920), (105, 172104), (120, 150591), (126, 143420), (140, 129078), (142, 127260), (168, 107565), (180, 100394), (202, 89460), (210, 86052), (213, 84840), (252, 71710), (280, 64539), (284, 63630), (303, 59640), (315, 57368), (355, 50904), (360, 50197), (404, 44730), (420, 43026), (426, 42420), (497, 36360), (504, 35855), (505, 35784), (568, 31815), (606, 29820), (630, 28684), (639, 28280), (707, 25560), (710, 25452), (808, 22365), (840, 21513), (852, 21210), (909, 19880), (994, 18180), (1010, 17892), (1065, 16968), (1212, 14910), (1260, 14342), (1278, 14140), (1414, 12780), (1420, 12726), (1491, 12120), (1515, 11928), (1704, 10605), (1818, 9940), (1988, 9090), (2020, 8946), (2121, 8520), (2130, 8484), (2424, 7455), (2485, 7272), (2520, 7171), (2556, 7070), (2828, 6390), (2840, 6363), (2982, 6060), (3030, 5964), (3195, 5656), (3535, 5112), (3636, 4970), (3976, 4545), (4040, 4473), (4242, 4260)]