128612640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20611}}^1$

素因数の和:20642

約数の個数: 96

約数和(自身を含む): 436314816

約数和(自身を除く): 307702176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 20611, 41222, 61833, 82444, 103055, 123666, 164888, 206110, 247332, 267943, 309165, 329776, 412220, 494664, 535886, 618330, 659552, 803829, 824440, 989328, 1071772, 1236660, 1339715, 1607658, 1648880, 1978656, 2143544, 2473320, 2679430, 3215316, 3297760, 4019145, 4287088, 4946640, 5358860, 6430632, 8038290, 8574176, 9893280, 10717720, 12861264, 16076580, 21435440, 25722528, 32153160, 42870880, 64306320, 128612640]

約数ペア:

[(1, 128612640), (2, 64306320), (3, 42870880), (4, 32153160), (5, 25722528), (6, 21435440), (8, 16076580), (10, 12861264), (12, 10717720), (13, 9893280), (15, 8574176), (16, 8038290), (20, 6430632), (24, 5358860), (26, 4946640), (30, 4287088), (32, 4019145), (39, 3297760), (40, 3215316), (48, 2679430), (52, 2473320), (60, 2143544), (65, 1978656), (78, 1648880), (80, 1607658), (96, 1339715), (104, 1236660), (120, 1071772), (130, 989328), (156, 824440), (160, 803829), (195, 659552), (208, 618330), (240, 535886), (260, 494664), (312, 412220), (390, 329776), (416, 309165), (480, 267943), (520, 247332), (624, 206110), (780, 164888), (1040, 123666), (1248, 103055), (1560, 82444), (2080, 61833), (3120, 41222), (6240, 20611)]