1857100140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20759}}^1$

素因数の和:20852

約数の個数: 144

約数和(自身を含む): 6528936960

約数和(自身を除く): 4671836820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 284, 315, 355, 420, 426, 497, 630, 639, 710, 852, 994, 1065, 1260, 1278, 1420, 1491, 1988, 2130, 2485, 2556, 2982, 3195, 4260, 4473, 4970, 5964, 6390, 7455, 8946, 9940, 12780, 14910, 17892, 20759, 22365, 29820, 41518, 44730, 62277, 83036, 89460, 103795, 124554, 145313, 186831, 207590, 249108, 290626, 311385, 373662, 415180, 435939, 581252, 622770, 726565, 747324, 871878, 934155, 1245540, 1307817, 1453130, 1473889, 1743756, 1868310, 2179695, 2615634, 2906260, 2947778, 3736620, 4359390, 4421667, 5231268, 5895556, 6539085, 7369445, 8718780, 8843334, 10317223, 13078170, 13265001, 14738890, 17686668, 20634446, 22108335, 26156340, 26530002, 29477780, 30951669, 41268892, 44216670, 51586115, 53060004, 61903338, 66325005, 88433340, 92855007, 103172230, 123806676, 132650010, 154758345, 185710014, 206344460, 265300020, 309516690, 371420028, 464275035, 619033380, 928550070, 1857100140]

約数ペア:

[(1, 1857100140), (2, 928550070), (3, 619033380), (4, 464275035), (5, 371420028), (6, 309516690), (7, 265300020), (9, 206344460), (10, 185710014), (12, 154758345), (14, 132650010), (15, 123806676), (18, 103172230), (20, 92855007), (21, 88433340), (28, 66325005), (30, 61903338), (35, 53060004), (36, 51586115), (42, 44216670), (45, 41268892), (60, 30951669), (63, 29477780), (70, 26530002), (71, 26156340), (84, 22108335), (90, 20634446), (105, 17686668), (126, 14738890), (140, 13265001), (142, 13078170), (180, 10317223), (210, 8843334), (213, 8718780), (252, 7369445), (284, 6539085), (315, 5895556), (355, 5231268), (420, 4421667), (426, 4359390), (497, 3736620), (630, 2947778), (639, 2906260), (710, 2615634), (852, 2179695), (994, 1868310), (1065, 1743756), (1260, 1473889), (1278, 1453130), (1420, 1307817), (1491, 1245540), (1988, 934155), (2130, 871878), (2485, 747324), (2556, 726565), (2982, 622770), (3195, 581252), (4260, 435939), (4473, 415180), (4970, 373662), (5964, 311385), (6390, 290626), (7455, 249108), (8946, 207590), (9940, 186831), (12780, 145313), (14910, 124554), (17892, 103795), (20759, 89460), (22365, 83036), (29820, 62277), (41518, 44730)]