68938380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54713}}^1$

素因数の和:54735

約数の個数: 72

約数和(自身を含む): 238990752

約数和(自身を除く): 170052372

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, 54713, 109426, 164139, 218852, 273565, 328278, 382991, 492417, 547130, 656556, 765982, 820695, 984834, 1094260, 1148973, 1531964, 1641390, 1914955, 1969668, 2297946, 2462085, 3282780, 3446919, 3829910, 4595892, 4924170, 5744865, 6893838, 7659820, 9848340, 11489730, 13787676, 17234595, 22979460, 34469190, 68938380]

約数ペア:

[(1, 68938380), (2, 34469190), (3, 22979460), (4, 17234595), (5, 13787676), (6, 11489730), (7, 9848340), (9, 7659820), (10, 6893838), (12, 5744865), (14, 4924170), (15, 4595892), (18, 3829910), (20, 3446919), (21, 3282780), (28, 2462085), (30, 2297946), (35, 1969668), (36, 1914955), (42, 1641390), (45, 1531964), (60, 1148973), (63, 1094260), (70, 984834), (84, 820695), (90, 765982), (105, 656556), (126, 547130), (140, 492417), (180, 382991), (210, 328278), (252, 273565), (315, 218852), (420, 164139), (630, 109426), (1260, 54713)]