128411360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1529

約数の個数: 144

約数和(自身を含む): 385242480

約数和(自身を除く): 256831120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 352, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1120, 1232, 1489, 1540, 1568, 1760, 1960, 2156, 2464, 2695, 2978, 3080, 3920, 4312, 5390, 5956, 6160, 7445, 7840, 8624, 10423, 10780, 11912, 12320, 14890, 16379, 17248, 20846, 21560, 23824, 29780, 32758, 41692, 43120, 47648, 52115, 59560, 65516, 72961, 81895, 83384, 86240, 104230, 114653, 119120, 131032, 145922, 163790, 166768, 208460, 229306, 238240, 262064, 291844, 327580, 333536, 364805, 416920, 458612, 524128, 573265, 583688, 655160, 729610, 802571, 833840, 917224, 1146530, 1167376, 1310320, 1459220, 1605142, 1667680, 1834448, 2293060, 2334752, 2620640, 2918440, 3210284, 3668896, 4012855, 4586120, 5836880, 6420568, 8025710, 9172240, 11673760, 12841136, 16051420, 18344480, 25682272, 32102840, 64205680, 128411360]

約数ペア:

[(1, 128411360), (2, 64205680), (4, 32102840), (5, 25682272), (7, 18344480), (8, 16051420), (10, 12841136), (11, 11673760), (14, 9172240), (16, 8025710), (20, 6420568), (22, 5836880), (28, 4586120), (32, 4012855), (35, 3668896), (40, 3210284), (44, 2918440), (49, 2620640), (55, 2334752), (56, 2293060), (70, 1834448), (77, 1667680), (80, 1605142), (88, 1459220), (98, 1310320), (110, 1167376), (112, 1146530), (140, 917224), (154, 833840), (160, 802571), (176, 729610), (196, 655160), (220, 583688), (224, 573265), (245, 524128), (280, 458612), (308, 416920), (352, 364805), (385, 333536), (392, 327580), (440, 291844), (490, 262064), (539, 238240), (560, 229306), (616, 208460), (770, 166768), (784, 163790), (880, 145922), (980, 131032), (1078, 119120), (1120, 114653), (1232, 104230), (1489, 86240), (1540, 83384), (1568, 81895), (1760, 72961), (1960, 65516), (2156, 59560), (2464, 52115), (2695, 47648), (2978, 43120), (3080, 41692), (3920, 32758), (4312, 29780), (5390, 23824), (5956, 21560), (6160, 20846), (7445, 17248), (7840, 16379), (8624, 14890), (10423, 12320), (10780, 11912)]