77875020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:981

約数の個数: 120

約数和(自身を含む): 249180624

約数和(自身を除く): 171305604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 81, 90, 106, 108, 135, 159, 162, 180, 212, 265, 270, 318, 324, 405, 477, 530, 540, 636, 795, 810, 907, 954, 1060, 1431, 1590, 1620, 1814, 1908, 2385, 2721, 2862, 3180, 3628, 4293, 4535, 4770, 5442, 5724, 7155, 8163, 8586, 9070, 9540, 10884, 13605, 14310, 16326, 17172, 18140, 21465, 24489, 27210, 28620, 32652, 40815, 42930, 48071, 48978, 54420, 73467, 81630, 85860, 96142, 97956, 122445, 144213, 146934, 163260, 192284, 240355, 244890, 288426, 293868, 367335, 432639, 480710, 489780, 576852, 721065, 734670, 865278, 961420, 1297917, 1442130, 1469340, 1730556, 2163195, 2595834, 2884260, 3893751, 4326390, 5191668, 6489585, 7787502, 8652780, 12979170, 15575004, 19468755, 25958340, 38937510, 77875020]

約数ペア:

[(1, 77875020), (2, 38937510), (3, 25958340), (4, 19468755), (5, 15575004), (6, 12979170), (9, 8652780), (10, 7787502), (12, 6489585), (15, 5191668), (18, 4326390), (20, 3893751), (27, 2884260), (30, 2595834), (36, 2163195), (45, 1730556), (53, 1469340), (54, 1442130), (60, 1297917), (81, 961420), (90, 865278), (106, 734670), (108, 721065), (135, 576852), (159, 489780), (162, 480710), (180, 432639), (212, 367335), (265, 293868), (270, 288426), (318, 244890), (324, 240355), (405, 192284), (477, 163260), (530, 146934), (540, 144213), (636, 122445), (795, 97956), (810, 96142), (907, 85860), (954, 81630), (1060, 73467), (1431, 54420), (1590, 48978), (1620, 48071), (1814, 42930), (1908, 40815), (2385, 32652), (2721, 28620), (2862, 27210), (3180, 24489), (3628, 21465), (4293, 18140), (4535, 17172), (4770, 16326), (5442, 14310), (5724, 13605), (7155, 10884), (8163, 9540), (8586, 9070)]