808480000

素因数分解:

$2^8\times 5^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 180

約数和(自身を含む): 2094429568

約数和(自身を除く): 1285949568

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, 163, 200, 248, 250, 256, 310, 320, 326, 400, 496, 500, 620, 625, 640, 652, 775, 800, 815, 992, 1000, 1240, 1250, 1280, 1304, 1550, 1600, 1630, 1984, 2000, 2480, 2500, 2608, 3100, 3200, 3260, 3875, 3968, 4000, 4075, 4960, 5000, 5053, 5216, 6200, 6400, 6520, 7750, 7936, 8000, 8150, 9920, 10000, 10106, 10432, 12400, 13040, 15500, 16000, 16300, 19375, 19840, 20000, 20212, 20375, 20864, 24800, 25265, 26080, 31000, 32000, 32600, 38750, 39680, 40000, 40424, 40750, 41728, 49600, 50530, 52160, 62000, 65200, 77500, 80000, 80848, 81500, 99200, 101060, 101875, 104320, 124000, 126325, 130400, 155000, 160000, 161696, 163000, 198400, 202120, 203750, 208640, 248000, 252650, 260800, 310000, 323392, 326000, 404240, 407500, 496000, 505300, 521600, 620000, 631625, 646784, 652000, 808480, 815000, 992000, 1010600, 1043200, 1240000, 1263250, 1293568, 1304000, 1616960, 1630000, 2021200, 2480000, 2526500, 2608000, 3158125, 3233920, 3260000, 4042400, 4960000, 5053000, 5216000, 6316250, 6467840, 6520000, 8084800, 10106000, 12632500, 13040000, 16169600, 20212000, 25265000, 26080000, 32339200, 40424000, 50530000, 80848000, 101060000, 161696000, 202120000, 404240000, 808480000]

約数ペア:

[(1, 808480000), (2, 404240000), (4, 202120000), (5, 161696000), (8, 101060000), (10, 80848000), (16, 50530000), (20, 40424000), (25, 32339200), (31, 26080000), (32, 25265000), (40, 20212000), (50, 16169600), (62, 13040000), (64, 12632500), (80, 10106000), (100, 8084800), (124, 6520000), (125, 6467840), (128, 6316250), (155, 5216000), (160, 5053000), (163, 4960000), (200, 4042400), (248, 3260000), (250, 3233920), (256, 3158125), (310, 2608000), (320, 2526500), (326, 2480000), (400, 2021200), (496, 1630000), (500, 1616960), (620, 1304000), (625, 1293568), (640, 1263250), (652, 1240000), (775, 1043200), (800, 1010600), (815, 992000), (992, 815000), (1000, 808480), (1240, 652000), (1250, 646784), (1280, 631625), (1304, 620000), (1550, 521600), (1600, 505300), (1630, 496000), (1984, 407500), (2000, 404240), (2480, 326000), (2500, 323392), (2608, 310000), (3100, 260800), (3200, 252650), (3260, 248000), (3875, 208640), (3968, 203750), (4000, 202120), (4075, 198400), (4960, 163000), (5000, 161696), (5053, 160000), (5216, 155000), (6200, 130400), (6400, 126325), (6520, 124000), (7750, 104320), (7936, 101875), (8000, 101060), (8150, 99200), (9920, 81500), (10000, 80848), (10106, 80000), (10432, 77500), (12400, 65200), (13040, 62000), (15500, 52160), (16000, 50530), (16300, 49600), (19375, 41728), (19840, 40750), (20000, 40424), (20212, 40000), (20375, 39680), (20864, 38750), (24800, 32600), (25265, 32000), (26080, 31000)]