128467440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1579}}^1$

素因数の和:1711

約数の個数: 120

約数和(自身を含む): 435530160

約数和(自身を除く): 307062720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 240, 339, 360, 452, 565, 678, 720, 904, 1017, 1130, 1356, 1579, 1695, 1808, 2034, 2260, 2712, 3158, 3390, 4068, 4520, 4737, 5085, 5424, 6316, 6780, 7895, 8136, 9040, 9474, 10170, 12632, 13560, 14211, 15790, 16272, 18948, 20340, 23685, 25264, 27120, 28422, 31580, 37896, 40680, 47370, 56844, 63160, 71055, 75792, 81360, 94740, 113688, 126320, 142110, 178427, 189480, 227376, 284220, 356854, 378960, 535281, 568440, 713708, 892135, 1070562, 1136880, 1427416, 1605843, 1784270, 2141124, 2676405, 2854832, 3211686, 3568540, 4282248, 5352810, 6423372, 7137080, 8029215, 8564496, 10705620, 12846744, 14274160, 16058430, 21411240, 25693488, 32116860, 42822480, 64233720, 128467440]

約数ペア:

[(1, 128467440), (2, 64233720), (3, 42822480), (4, 32116860), (5, 25693488), (6, 21411240), (8, 16058430), (9, 14274160), (10, 12846744), (12, 10705620), (15, 8564496), (16, 8029215), (18, 7137080), (20, 6423372), (24, 5352810), (30, 4282248), (36, 3568540), (40, 3211686), (45, 2854832), (48, 2676405), (60, 2141124), (72, 1784270), (80, 1605843), (90, 1427416), (113, 1136880), (120, 1070562), (144, 892135), (180, 713708), (226, 568440), (240, 535281), (339, 378960), (360, 356854), (452, 284220), (565, 227376), (678, 189480), (720, 178427), (904, 142110), (1017, 126320), (1130, 113688), (1356, 94740), (1579, 81360), (1695, 75792), (1808, 71055), (2034, 63160), (2260, 56844), (2712, 47370), (3158, 40680), (3390, 37896), (4068, 31580), (4520, 28422), (4737, 27120), (5085, 25264), (5424, 23685), (6316, 20340), (6780, 18948), (7895, 16272), (8136, 15790), (9040, 14211), (9474, 13560), (10170, 12632)]