165664000

素因数分解:

$2^8\times 5^3\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 428553216

約数和(自身を除く): 262889216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 167, 200, 248, 250, 256, 310, 320, 334, 400, 496, 500, 620, 640, 668, 775, 800, 835, 992, 1000, 1240, 1280, 1336, 1550, 1600, 1670, 1984, 2000, 2480, 2672, 3100, 3200, 3340, 3875, 3968, 4000, 4175, 4960, 5177, 5344, 6200, 6400, 6680, 7750, 7936, 8000, 8350, 9920, 10354, 10688, 12400, 13360, 15500, 16000, 16700, 19840, 20708, 20875, 21376, 24800, 25885, 26720, 31000, 32000, 33400, 39680, 41416, 41750, 42752, 49600, 51770, 53440, 62000, 66800, 82832, 83500, 99200, 103540, 106880, 124000, 129425, 133600, 165664, 167000, 198400, 207080, 213760, 248000, 258850, 267200, 331328, 334000, 414160, 496000, 517700, 534400, 647125, 662656, 668000, 828320, 992000, 1035400, 1068800, 1294250, 1325312, 1336000, 1656640, 2070800, 2588500, 2672000, 3313280, 4141600, 5177000, 5344000, 6626560, 8283200, 10354000, 16566400, 20708000, 33132800, 41416000, 82832000, 165664000]

約数ペア:

[(1, 165664000), (2, 82832000), (4, 41416000), (5, 33132800), (8, 20708000), (10, 16566400), (16, 10354000), (20, 8283200), (25, 6626560), (31, 5344000), (32, 5177000), (40, 4141600), (50, 3313280), (62, 2672000), (64, 2588500), (80, 2070800), (100, 1656640), (124, 1336000), (125, 1325312), (128, 1294250), (155, 1068800), (160, 1035400), (167, 992000), (200, 828320), (248, 668000), (250, 662656), (256, 647125), (310, 534400), (320, 517700), (334, 496000), (400, 414160), (496, 334000), (500, 331328), (620, 267200), (640, 258850), (668, 248000), (775, 213760), (800, 207080), (835, 198400), (992, 167000), (1000, 165664), (1240, 133600), (1280, 129425), (1336, 124000), (1550, 106880), (1600, 103540), (1670, 99200), (1984, 83500), (2000, 82832), (2480, 66800), (2672, 62000), (3100, 53440), (3200, 51770), (3340, 49600), (3875, 42752), (3968, 41750), (4000, 41416), (4175, 39680), (4960, 33400), (5177, 32000), (5344, 31000), (6200, 26720), (6400, 25885), (6680, 24800), (7750, 21376), (7936, 20875), (8000, 20708), (8350, 19840), (9920, 16700), (10354, 16000), (10688, 15500), (12400, 13360)]