25516680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:879

約数の個数: 128

約数和(自身を含む): 89959680

約数和(自身を除く): 64443000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 821, 840, 888, 1036, 1110, 1295, 1480, 1554, 1642, 2072, 2220, 2463, 2590, 3108, 3284, 3885, 4105, 4440, 4926, 5180, 5747, 6216, 6568, 7770, 8210, 9852, 10360, 11494, 12315, 15540, 16420, 17241, 19704, 22988, 24630, 28735, 30377, 31080, 32840, 34482, 45976, 49260, 57470, 60754, 68964, 86205, 91131, 98520, 114940, 121508, 137928, 151885, 172410, 182262, 212639, 229880, 243016, 303770, 344820, 364524, 425278, 455655, 607540, 637917, 689640, 729048, 850556, 911310, 1063195, 1215080, 1275834, 1701112, 1822620, 2126390, 2551668, 3189585, 3645240, 4252780, 5103336, 6379170, 8505560, 12758340, 25516680]

約数ペア:

[(1, 25516680), (2, 12758340), (3, 8505560), (4, 6379170), (5, 5103336), (6, 4252780), (7, 3645240), (8, 3189585), (10, 2551668), (12, 2126390), (14, 1822620), (15, 1701112), (20, 1275834), (21, 1215080), (24, 1063195), (28, 911310), (30, 850556), (35, 729048), (37, 689640), (40, 637917), (42, 607540), (56, 455655), (60, 425278), (70, 364524), (74, 344820), (84, 303770), (105, 243016), (111, 229880), (120, 212639), (140, 182262), (148, 172410), (168, 151885), (185, 137928), (210, 121508), (222, 114940), (259, 98520), (280, 91131), (296, 86205), (370, 68964), (420, 60754), (444, 57470), (518, 49260), (555, 45976), (740, 34482), (777, 32840), (821, 31080), (840, 30377), (888, 28735), (1036, 24630), (1110, 22988), (1295, 19704), (1480, 17241), (1554, 16420), (1642, 15540), (2072, 12315), (2220, 11494), (2463, 10360), (2590, 9852), (3108, 8210), (3284, 7770), (3885, 6568), (4105, 6216), (4440, 5747), (4926, 5180)]