18057291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{134917}}^1$

素因数の和:135176

約数の個数: 80

約数和(自身を含む): 48181916160

約数和(自身を除く): 30124624880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 239, 280, 478, 560, 956, 1195, 1673, 1912, 2390, 3346, 3824, 4780, 6692, 8365, 9560, 13384, 16730, 19120, 26768, 33460, 66920, 133840, 134917, 269834, 539668, 674585, 944419, 1079336, 1349170, 1888838, 2158672, 2698340, 3777676, 4722095, 5396680, 7555352, 9444190, 10793360, 15110704, 18888380, 32245163, 37776760, 64490326, 75553520, 128980652, 161225815, 225716141, 257961304, 322451630, 451432282, 515922608, 644903260, 902864564, 1128580705, 1289806520, 1805729128, 2257161410, 2579613040, 3611458256, 4514322820, 9028645640, 18057291280]

約数ペア:

[(1, 18057291280), (2, 9028645640), (4, 4514322820), (5, 3611458256), (7, 2579613040), (8, 2257161410), (10, 1805729128), (14, 1289806520), (16, 1128580705), (20, 902864564), (28, 644903260), (35, 515922608), (40, 451432282), (56, 322451630), (70, 257961304), (80, 225716141), (112, 161225815), (140, 128980652), (239, 75553520), (280, 64490326), (478, 37776760), (560, 32245163), (956, 18888380), (1195, 15110704), (1673, 10793360), (1912, 9444190), (2390, 7555352), (3346, 5396680), (3824, 4722095), (4780, 3777676), (6692, 2698340), (8365, 2158672), (9560, 1888838), (13384, 1349170), (16730, 1079336), (19120, 944419), (26768, 674585), (33460, 539668), (66920, 269834), (133840, 134917)]