77280420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4973}}^1$

素因数の和:5029

約数の個数: 96

約数和(自身を含む): 254032128

約数和(自身を除く): 176751708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1295, 1554, 2220, 2590, 3108, 3885, 4973, 5180, 7770, 9946, 14919, 15540, 19892, 24865, 29838, 34811, 49730, 59676, 69622, 74595, 99460, 104433, 139244, 149190, 174055, 184001, 208866, 298380, 348110, 368002, 417732, 522165, 552003, 696220, 736004, 920005, 1044330, 1104006, 1288007, 1840010, 2088660, 2208012, 2576014, 2760015, 3680020, 3864021, 5152028, 5520030, 6440035, 7728042, 11040060, 12880070, 15456084, 19320105, 25760140, 38640210, 77280420]

約数ペア:

[(1, 77280420), (2, 38640210), (3, 25760140), (4, 19320105), (5, 15456084), (6, 12880070), (7, 11040060), (10, 7728042), (12, 6440035), (14, 5520030), (15, 5152028), (20, 3864021), (21, 3680020), (28, 2760015), (30, 2576014), (35, 2208012), (37, 2088660), (42, 1840010), (60, 1288007), (70, 1104006), (74, 1044330), (84, 920005), (105, 736004), (111, 696220), (140, 552003), (148, 522165), (185, 417732), (210, 368002), (222, 348110), (259, 298380), (370, 208866), (420, 184001), (444, 174055), (518, 149190), (555, 139244), (740, 104433), (777, 99460), (1036, 74595), (1110, 69622), (1295, 59676), (1554, 49730), (2220, 34811), (2590, 29838), (3108, 24865), (3885, 19892), (4973, 15540), (5180, 14919), (7770, 9946)]