89191620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1090

約数の個数: 144

約数和(自身を含む): 313867008

約数和(自身を除く): 224675388

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, 997, 1065, 1260, 1278, 1420, 1491, 1988, 1994, 2130, 2485, 2556, 2982, 2991, 3195, 3988, 4260, 4473, 4970, 4985, 5964, 5982, 6390, 6979, 7455, 8946, 8973, 9940, 9970, 11964, 12780, 13958, 14910, 14955, 17892, 17946, 19940, 20937, 22365, 27916, 29820, 29910, 34895, 35892, 41874, 44730, 44865, 59820, 62811, 69790, 70787, 83748, 89460, 89730, 104685, 125622, 139580, 141574, 179460, 209370, 212361, 251244, 283148, 314055, 353935, 418740, 424722, 495509, 628110, 637083, 707870, 849444, 991018, 1061805, 1256220, 1274166, 1415740, 1486527, 1982036, 2123610, 2477545, 2548332, 2973054, 3185415, 4247220, 4459581, 4955090, 5946108, 6370830, 7432635, 8919162, 9910180, 12741660, 14865270, 17838324, 22297905, 29730540, 44595810, 89191620]

約数ペア:

[(1, 89191620), (2, 44595810), (3, 29730540), (4, 22297905), (5, 17838324), (6, 14865270), (7, 12741660), (9, 9910180), (10, 8919162), (12, 7432635), (14, 6370830), (15, 5946108), (18, 4955090), (20, 4459581), (21, 4247220), (28, 3185415), (30, 2973054), (35, 2548332), (36, 2477545), (42, 2123610), (45, 1982036), (60, 1486527), (63, 1415740), (70, 1274166), (71, 1256220), (84, 1061805), (90, 991018), (105, 849444), (126, 707870), (140, 637083), (142, 628110), (180, 495509), (210, 424722), (213, 418740), (252, 353935), (284, 314055), (315, 283148), (355, 251244), (420, 212361), (426, 209370), (497, 179460), (630, 141574), (639, 139580), (710, 125622), (852, 104685), (994, 89730), (997, 89460), (1065, 83748), (1260, 70787), (1278, 69790), (1420, 62811), (1491, 59820), (1988, 44865), (1994, 44730), (2130, 41874), (2485, 35892), (2556, 34895), (2982, 29910), (2991, 29820), (3195, 27916), (3988, 22365), (4260, 20937), (4473, 19940), (4970, 17946), (4985, 17892), (5964, 14955), (5982, 14910), (6390, 13958), (6979, 12780), (7455, 11964), (8946, 9970), (8973, 9940)]