221755320

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{68443}}^1$

素因数の和:68466

約数の個数: 80

約数和(自身を含む): 745355160

約数和(自身を除く): 523599840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 68443, 136886, 205329, 273772, 342215, 410658, 547544, 615987, 684430, 821316, 1026645, 1231974, 1368860, 1642632, 1847961, 2053290, 2463948, 2737720, 3079935, 3695922, 4106580, 4927896, 5543883, 6159870, 7391844, 8213160, 9239805, 11087766, 12319740, 14783688, 18479610, 22175532, 24639480, 27719415, 36959220, 44351064, 55438830, 73918440, 110877660, 221755320]

約数ペア:

[(1, 221755320), (2, 110877660), (3, 73918440), (4, 55438830), (5, 44351064), (6, 36959220), (8, 27719415), (9, 24639480), (10, 22175532), (12, 18479610), (15, 14783688), (18, 12319740), (20, 11087766), (24, 9239805), (27, 8213160), (30, 7391844), (36, 6159870), (40, 5543883), (45, 4927896), (54, 4106580), (60, 3695922), (72, 3079935), (81, 2737720), (90, 2463948), (108, 2053290), (120, 1847961), (135, 1642632), (162, 1368860), (180, 1231974), (216, 1026645), (270, 821316), (324, 684430), (360, 615987), (405, 547544), (540, 410658), (648, 342215), (810, 273772), (1080, 205329), (1620, 136886), (3240, 68443)]