255554040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6473}}^1$

素因数の和:6541

約数の個数: 128

約数和(自身を含む): 894965760

約数和(自身を除く): 639411720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6473, 6580, 7896, 9870, 12946, 13160, 19419, 19740, 25892, 32365, 38838, 39480, 45311, 51784, 64730, 77676, 90622, 97095, 129460, 135933, 155352, 181244, 194190, 226555, 258920, 271866, 304231, 362488, 388380, 453110, 543732, 608462, 679665, 776760, 906220, 912693, 1087464, 1216924, 1359330, 1521155, 1812440, 1825386, 2129617, 2433848, 2718660, 3042310, 3650772, 4259234, 4563465, 5437320, 6084620, 6388851, 7301544, 8518468, 9126930, 10648085, 12169240, 12777702, 17036936, 18253860, 21296170, 25555404, 31944255, 36507720, 42592340, 51110808, 63888510, 85184680, 127777020, 255554040]

約数ペア:

[(1, 255554040), (2, 127777020), (3, 85184680), (4, 63888510), (5, 51110808), (6, 42592340), (7, 36507720), (8, 31944255), (10, 25555404), (12, 21296170), (14, 18253860), (15, 17036936), (20, 12777702), (21, 12169240), (24, 10648085), (28, 9126930), (30, 8518468), (35, 7301544), (40, 6388851), (42, 6084620), (47, 5437320), (56, 4563465), (60, 4259234), (70, 3650772), (84, 3042310), (94, 2718660), (105, 2433848), (120, 2129617), (140, 1825386), (141, 1812440), (168, 1521155), (188, 1359330), (210, 1216924), (235, 1087464), (280, 912693), (282, 906220), (329, 776760), (376, 679665), (420, 608462), (470, 543732), (564, 453110), (658, 388380), (705, 362488), (840, 304231), (940, 271866), (987, 258920), (1128, 226555), (1316, 194190), (1410, 181244), (1645, 155352), (1880, 135933), (1974, 129460), (2632, 97095), (2820, 90622), (3290, 77676), (3948, 64730), (4935, 51784), (5640, 45311), (6473, 39480), (6580, 38838), (7896, 32365), (9870, 25892), (12946, 19740), (13160, 19419)]