28610280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:528

約数の個数: 128

約数和(自身を含む): 97200000

約数和(自身を除く): 68589720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 449, 472, 531, 540, 590, 708, 885, 898, 1062, 1080, 1180, 1347, 1416, 1593, 1770, 1796, 2124, 2245, 2360, 2655, 2694, 3186, 3540, 3592, 4041, 4248, 4490, 5310, 5388, 6372, 6735, 7080, 7965, 8082, 8980, 10620, 10776, 12123, 12744, 13470, 15930, 16164, 17960, 20205, 21240, 24246, 26491, 26940, 31860, 32328, 40410, 48492, 52982, 53880, 60615, 63720, 79473, 80820, 96984, 105964, 121230, 132455, 158946, 161640, 211928, 238419, 242460, 264910, 317892, 397365, 476838, 484920, 529820, 635784, 715257, 794730, 953676, 1059640, 1192095, 1430514, 1589460, 1907352, 2384190, 2861028, 3178920, 3576285, 4768380, 5722056, 7152570, 9536760, 14305140, 28610280]

約数ペア:

[(1, 28610280), (2, 14305140), (3, 9536760), (4, 7152570), (5, 5722056), (6, 4768380), (8, 3576285), (9, 3178920), (10, 2861028), (12, 2384190), (15, 1907352), (18, 1589460), (20, 1430514), (24, 1192095), (27, 1059640), (30, 953676), (36, 794730), (40, 715257), (45, 635784), (54, 529820), (59, 484920), (60, 476838), (72, 397365), (90, 317892), (108, 264910), (118, 242460), (120, 238419), (135, 211928), (177, 161640), (180, 158946), (216, 132455), (236, 121230), (270, 105964), (295, 96984), (354, 80820), (360, 79473), (449, 63720), (472, 60615), (531, 53880), (540, 52982), (590, 48492), (708, 40410), (885, 32328), (898, 31860), (1062, 26940), (1080, 26491), (1180, 24246), (1347, 21240), (1416, 20205), (1593, 17960), (1770, 16164), (1796, 15930), (2124, 13470), (2245, 12744), (2360, 12123), (2655, 10776), (2694, 10620), (3186, 8980), (3540, 8082), (3592, 7965), (4041, 7080), (4248, 6735), (4490, 6372), (5310, 5388)]