78925140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62639}}^1$

素因数の和:62661

約数の個数: 72

約数和(自身を含む): 273611520

約数和(自身を除く): 194686380

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, 62639, 125278, 187917, 250556, 313195, 375834, 438473, 563751, 626390, 751668, 876946, 939585, 1127502, 1252780, 1315419, 1753892, 1879170, 2192365, 2255004, 2630838, 2818755, 3758340, 3946257, 4384730, 5261676, 5637510, 6577095, 7892514, 8769460, 11275020, 13154190, 15785028, 19731285, 26308380, 39462570, 78925140]

約数ペア:

[(1, 78925140), (2, 39462570), (3, 26308380), (4, 19731285), (5, 15785028), (6, 13154190), (7, 11275020), (9, 8769460), (10, 7892514), (12, 6577095), (14, 5637510), (15, 5261676), (18, 4384730), (20, 3946257), (21, 3758340), (28, 2818755), (30, 2630838), (35, 2255004), (36, 2192365), (42, 1879170), (45, 1753892), (60, 1315419), (63, 1252780), (70, 1127502), (84, 939585), (90, 876946), (105, 751668), (126, 626390), (140, 563751), (180, 438473), (210, 375834), (252, 313195), (315, 250556), (420, 187917), (630, 125278), (1260, 62639)]