15260280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:549

約数の個数: 128

約数和(自身を含む): 53844480

約数和(自身を除く): 38584200

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, 491, 518, 555, 740, 777, 840, 888, 982, 1036, 1110, 1295, 1473, 1480, 1554, 1964, 2072, 2220, 2455, 2590, 2946, 3108, 3437, 3885, 3928, 4440, 4910, 5180, 5892, 6216, 6874, 7365, 7770, 9820, 10311, 10360, 11784, 13748, 14730, 15540, 17185, 18167, 19640, 20622, 27496, 29460, 31080, 34370, 36334, 41244, 51555, 54501, 58920, 68740, 72668, 82488, 90835, 103110, 109002, 127169, 137480, 145336, 181670, 206220, 218004, 254338, 272505, 363340, 381507, 412440, 436008, 508676, 545010, 635845, 726680, 763014, 1017352, 1090020, 1271690, 1526028, 1907535, 2180040, 2543380, 3052056, 3815070, 5086760, 7630140, 15260280]

約数ペア:

[(1, 15260280), (2, 7630140), (3, 5086760), (4, 3815070), (5, 3052056), (6, 2543380), (7, 2180040), (8, 1907535), (10, 1526028), (12, 1271690), (14, 1090020), (15, 1017352), (20, 763014), (21, 726680), (24, 635845), (28, 545010), (30, 508676), (35, 436008), (37, 412440), (40, 381507), (42, 363340), (56, 272505), (60, 254338), (70, 218004), (74, 206220), (84, 181670), (105, 145336), (111, 137480), (120, 127169), (140, 109002), (148, 103110), (168, 90835), (185, 82488), (210, 72668), (222, 68740), (259, 58920), (280, 54501), (296, 51555), (370, 41244), (420, 36334), (444, 34370), (491, 31080), (518, 29460), (555, 27496), (740, 20622), (777, 19640), (840, 18167), (888, 17185), (982, 15540), (1036, 14730), (1110, 13748), (1295, 11784), (1473, 10360), (1480, 10311), (1554, 9820), (1964, 7770), (2072, 7365), (2220, 6874), (2455, 6216), (2590, 5892), (2946, 5180), (3108, 4910), (3437, 4440), (3885, 3928)]