80353980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{63773}}^1$

素因数の和:63795

約数の個数: 72

約数和(自身を含む): 278564832

約数和(自身を除く): 198210852

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, 63773, 127546, 191319, 255092, 318865, 382638, 446411, 573957, 637730, 765276, 892822, 956595, 1147914, 1275460, 1339233, 1785644, 1913190, 2232055, 2295828, 2678466, 2869785, 3826380, 4017699, 4464110, 5356932, 5739570, 6696165, 8035398, 8928220, 11479140, 13392330, 16070796, 20088495, 26784660, 40176990, 80353980]

約数ペア:

[(1, 80353980), (2, 40176990), (3, 26784660), (4, 20088495), (5, 16070796), (6, 13392330), (7, 11479140), (9, 8928220), (10, 8035398), (12, 6696165), (14, 5739570), (15, 5356932), (18, 4464110), (20, 4017699), (21, 3826380), (28, 2869785), (30, 2678466), (35, 2295828), (36, 2232055), (42, 1913190), (45, 1785644), (60, 1339233), (63, 1275460), (70, 1147914), (84, 956595), (90, 892822), (105, 765276), (126, 637730), (140, 573957), (180, 446411), (210, 382638), (252, 318865), (315, 255092), (420, 191319), (630, 127546), (1260, 63773)]