72695280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43271}}^1$

素因数の和:43294

約数の個数: 80

約数和(自身を含む): 257554944

約数和(自身を除く): 184859664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 43271, 86542, 129813, 173084, 216355, 259626, 302897, 346168, 432710, 519252, 605794, 649065, 692336, 865420, 908691, 1038504, 1211588, 1298130, 1514485, 1730840, 1817382, 2077008, 2423176, 2596260, 3028970, 3461680, 3634764, 4543455, 4846352, 5192520, 6057940, 7269528, 9086910, 10385040, 12115880, 14539056, 18173820, 24231760, 36347640, 72695280]

約数ペア:

[(1, 72695280), (2, 36347640), (3, 24231760), (4, 18173820), (5, 14539056), (6, 12115880), (7, 10385040), (8, 9086910), (10, 7269528), (12, 6057940), (14, 5192520), (15, 4846352), (16, 4543455), (20, 3634764), (21, 3461680), (24, 3028970), (28, 2596260), (30, 2423176), (35, 2077008), (40, 1817382), (42, 1730840), (48, 1514485), (56, 1298130), (60, 1211588), (70, 1038504), (80, 908691), (84, 865420), (105, 692336), (112, 649065), (120, 605794), (140, 519252), (168, 432710), (210, 346168), (240, 302897), (280, 259626), (336, 216355), (420, 173084), (560, 129813), (840, 86542), (1680, 43271)]