28857120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{761}}^1$

素因数の和:858

約数の個数: 96

約数和(自身を含む): 92171520

約数和(自身を除く): 63314400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 632, 761, 790, 948, 1185, 1264, 1522, 1580, 1896, 2283, 2370, 2528, 3044, 3160, 3792, 3805, 4566, 4740, 6088, 6320, 7584, 7610, 9132, 9480, 11415, 12176, 12640, 15220, 18264, 18960, 22830, 24352, 30440, 36528, 37920, 45660, 60119, 60880, 73056, 91320, 120238, 121760, 180357, 182640, 240476, 300595, 360714, 365280, 480952, 601190, 721428, 901785, 961904, 1202380, 1442856, 1803570, 1923808, 2404760, 2885712, 3607140, 4809520, 5771424, 7214280, 9619040, 14428560, 28857120]

約数ペア:

[(1, 28857120), (2, 14428560), (3, 9619040), (4, 7214280), (5, 5771424), (6, 4809520), (8, 3607140), (10, 2885712), (12, 2404760), (15, 1923808), (16, 1803570), (20, 1442856), (24, 1202380), (30, 961904), (32, 901785), (40, 721428), (48, 601190), (60, 480952), (79, 365280), (80, 360714), (96, 300595), (120, 240476), (158, 182640), (160, 180357), (237, 121760), (240, 120238), (316, 91320), (395, 73056), (474, 60880), (480, 60119), (632, 45660), (761, 37920), (790, 36528), (948, 30440), (1185, 24352), (1264, 22830), (1522, 18960), (1580, 18264), (1896, 15220), (2283, 12640), (2370, 12176), (2528, 11415), (3044, 9480), (3160, 9132), (3792, 7610), (3805, 7584), (4566, 6320), (4740, 6088)]