81012420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2202

約数の個数: 96

約数和(自身を含む): 255709440

約数和(自身を除く): 174697020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 90, 108, 135, 142, 180, 213, 270, 284, 355, 426, 540, 639, 710, 852, 1065, 1278, 1420, 1917, 2113, 2130, 2556, 3195, 3834, 4226, 4260, 6339, 6390, 7668, 8452, 9585, 10565, 12678, 12780, 19017, 19170, 21130, 25356, 31695, 38034, 38340, 42260, 57051, 63390, 76068, 95085, 114102, 126780, 150023, 190170, 228204, 285255, 300046, 380340, 450069, 570510, 600092, 750115, 900138, 1141020, 1350207, 1500230, 1800276, 2250345, 2700414, 3000460, 4050621, 4500690, 5400828, 6751035, 8101242, 9001380, 13502070, 16202484, 20253105, 27004140, 40506210, 81012420]

約数ペア:

[(1, 81012420), (2, 40506210), (3, 27004140), (4, 20253105), (5, 16202484), (6, 13502070), (9, 9001380), (10, 8101242), (12, 6751035), (15, 5400828), (18, 4500690), (20, 4050621), (27, 3000460), (30, 2700414), (36, 2250345), (45, 1800276), (54, 1500230), (60, 1350207), (71, 1141020), (90, 900138), (108, 750115), (135, 600092), (142, 570510), (180, 450069), (213, 380340), (270, 300046), (284, 285255), (355, 228204), (426, 190170), (540, 150023), (639, 126780), (710, 114102), (852, 95085), (1065, 76068), (1278, 63390), (1420, 57051), (1917, 42260), (2113, 38340), (2130, 38034), (2556, 31695), (3195, 25356), (3834, 21130), (4226, 19170), (4260, 19017), (6339, 12780), (6390, 12678), (7668, 10565), (8452, 9585)]