257849520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{22859}}^1$

素因数の和:22922

約数の個数: 80

約数和(自身を含む): 816376320

約数和(自身を除く): 558526800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 22859, 45718, 68577, 91436, 114295, 137154, 182872, 228590, 274308, 342885, 365744, 457180, 548616, 685770, 914360, 1074373, 1097232, 1371540, 1828720, 2148746, 2743080, 3223119, 4297492, 5371865, 5486160, 6446238, 8594984, 10743730, 12892476, 16115595, 17189968, 21487460, 25784952, 32231190, 42974920, 51569904, 64462380, 85949840, 128924760, 257849520]

約数ペア:

[(1, 257849520), (2, 128924760), (3, 85949840), (4, 64462380), (5, 51569904), (6, 42974920), (8, 32231190), (10, 25784952), (12, 21487460), (15, 17189968), (16, 16115595), (20, 12892476), (24, 10743730), (30, 8594984), (40, 6446238), (47, 5486160), (48, 5371865), (60, 4297492), (80, 3223119), (94, 2743080), (120, 2148746), (141, 1828720), (188, 1371540), (235, 1097232), (240, 1074373), (282, 914360), (376, 685770), (470, 548616), (564, 457180), (705, 365744), (752, 342885), (940, 274308), (1128, 228590), (1410, 182872), (1880, 137154), (2256, 114295), (2820, 91436), (3760, 68577), (5640, 45718), (11280, 22859)]