28556160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 92534400

約数和(自身を除く): 63978240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 139, 160, 192, 214, 240, 278, 320, 321, 384, 417, 428, 480, 535, 556, 640, 642, 695, 834, 856, 960, 1070, 1112, 1284, 1390, 1605, 1668, 1712, 1920, 2085, 2140, 2224, 2568, 2780, 3210, 3336, 3424, 4170, 4280, 4448, 5136, 5560, 6420, 6672, 6848, 8340, 8560, 8896, 10272, 11120, 12840, 13344, 13696, 14873, 16680, 17120, 17792, 20544, 22240, 25680, 26688, 29746, 33360, 34240, 41088, 44480, 44619, 51360, 53376, 59492, 66720, 68480, 74365, 88960, 89238, 102720, 118984, 133440, 148730, 178476, 205440, 223095, 237968, 266880, 297460, 356952, 446190, 475936, 594920, 713904, 892380, 951872, 1189840, 1427808, 1784760, 1903744, 2379680, 2855616, 3569520, 4759360, 5711232, 7139040, 9518720, 14278080, 28556160]

約数ペア:

[(1, 28556160), (2, 14278080), (3, 9518720), (4, 7139040), (5, 5711232), (6, 4759360), (8, 3569520), (10, 2855616), (12, 2379680), (15, 1903744), (16, 1784760), (20, 1427808), (24, 1189840), (30, 951872), (32, 892380), (40, 713904), (48, 594920), (60, 475936), (64, 446190), (80, 356952), (96, 297460), (107, 266880), (120, 237968), (128, 223095), (139, 205440), (160, 178476), (192, 148730), (214, 133440), (240, 118984), (278, 102720), (320, 89238), (321, 88960), (384, 74365), (417, 68480), (428, 66720), (480, 59492), (535, 53376), (556, 51360), (640, 44619), (642, 44480), (695, 41088), (834, 34240), (856, 33360), (960, 29746), (1070, 26688), (1112, 25680), (1284, 22240), (1390, 20544), (1605, 17792), (1668, 17120), (1712, 16680), (1920, 14873), (2085, 13696), (2140, 13344), (2224, 12840), (2568, 11120), (2780, 10272), (3210, 8896), (3336, 8560), (3424, 8340), (4170, 6848), (4280, 6672), (4448, 6420), (5136, 5560)]