205018380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{162713}}^1$

素因数の和:162735

約数の個数: 72

約数和(自身を含む): 710734752

約数和(自身を除く): 505716372

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, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 162713, 325426, 488139, 650852, 813565, 976278, 1138991, 1464417, 1627130, 1952556, 2277982, 2440695, 2928834, 3254260, 3416973, 4555964, 4881390, 5694955, 5857668, 6833946, 7322085, 9762780, 10250919, 11389910, 13667892, 14644170, 17084865, 20501838, 22779820, 29288340, 34169730, 41003676, 51254595, 68339460, 102509190, 205018380]

約数ペア:

[(1, 205018380), (2, 102509190), (3, 68339460), (4, 51254595), (5, 41003676), (6, 34169730), (7, 29288340), (9, 22779820), (10, 20501838), (12, 17084865), (14, 14644170), (15, 13667892), (18, 11389910), (20, 10250919), (21, 9762780), (28, 7322085), (30, 6833946), (35, 5857668), (36, 5694955), (42, 4881390), (45, 4555964), (60, 3416973), (63, 3254260), (70, 2928834), (84, 2440695), (90, 2277982), (105, 1952556), (126, 1627130), (140, 1464417), (180, 1138991), (210, 976278), (252, 813565), (315, 650852), (420, 488139), (630, 325426), (1260, 162713)]