15117228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 44029440

約数和(自身を除く): 28912212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 239, 251, 252, 478, 502, 717, 753, 956, 1004, 1434, 1506, 1673, 1757, 2151, 2259, 2868, 3012, 3346, 3514, 4302, 4518, 5019, 5271, 6692, 7028, 8604, 9036, 10038, 10542, 15057, 15813, 20076, 21084, 30114, 31626, 59989, 60228, 63252, 119978, 179967, 239956, 359934, 419923, 539901, 719868, 839846, 1079802, 1259769, 1679692, 2159604, 2519538, 3779307, 5039076, 7558614, 15117228]

約数ペア:

[(1, 15117228), (2, 7558614), (3, 5039076), (4, 3779307), (6, 2519538), (7, 2159604), (9, 1679692), (12, 1259769), (14, 1079802), (18, 839846), (21, 719868), (28, 539901), (36, 419923), (42, 359934), (63, 239956), (84, 179967), (126, 119978), (239, 63252), (251, 60228), (252, 59989), (478, 31626), (502, 30114), (717, 21084), (753, 20076), (956, 15813), (1004, 15057), (1434, 10542), (1506, 10038), (1673, 9036), (1757, 8604), (2151, 7028), (2259, 6692), (2868, 5271), (3012, 5019), (3346, 4518), (3514, 4302)]