280404720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3019}}^1$

素因数の和:3084

約数の個数: 160

約数和(自身を含む): 988627200

約数和(自身を除く): 708222480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 43, 45, 48, 54, 60, 72, 80, 86, 90, 108, 120, 129, 135, 144, 172, 180, 215, 216, 240, 258, 270, 344, 360, 387, 430, 432, 516, 540, 645, 688, 720, 774, 860, 1032, 1080, 1161, 1290, 1548, 1720, 1935, 2064, 2160, 2322, 2580, 3019, 3096, 3440, 3870, 4644, 5160, 5805, 6038, 6192, 7740, 9057, 9288, 10320, 11610, 12076, 15095, 15480, 18114, 18576, 23220, 24152, 27171, 30190, 30960, 36228, 45285, 46440, 48304, 54342, 60380, 72456, 81513, 90570, 92880, 108684, 120760, 129817, 135855, 144912, 163026, 181140, 217368, 241520, 259634, 271710, 326052, 362280, 389451, 407565, 434736, 519268, 543420, 649085, 652104, 724560, 778902, 815130, 1038536, 1086840, 1168353, 1298170, 1304208, 1557804, 1630260, 1947255, 2077072, 2173680, 2336706, 2596340, 3115608, 3260520, 3505059, 3894510, 4673412, 5192680, 5841765, 6231216, 6521040, 7010118, 7789020, 9346824, 10385360, 11683530, 14020236, 15578040, 17525295, 18693648, 23367060, 28040472, 31156080, 35050590, 46734120, 56080944, 70101180, 93468240, 140202360, 280404720]

約数ペア:

[(1, 280404720), (2, 140202360), (3, 93468240), (4, 70101180), (5, 56080944), (6, 46734120), (8, 35050590), (9, 31156080), (10, 28040472), (12, 23367060), (15, 18693648), (16, 17525295), (18, 15578040), (20, 14020236), (24, 11683530), (27, 10385360), (30, 9346824), (36, 7789020), (40, 7010118), (43, 6521040), (45, 6231216), (48, 5841765), (54, 5192680), (60, 4673412), (72, 3894510), (80, 3505059), (86, 3260520), (90, 3115608), (108, 2596340), (120, 2336706), (129, 2173680), (135, 2077072), (144, 1947255), (172, 1630260), (180, 1557804), (215, 1304208), (216, 1298170), (240, 1168353), (258, 1086840), (270, 1038536), (344, 815130), (360, 778902), (387, 724560), (430, 652104), (432, 649085), (516, 543420), (540, 519268), (645, 434736), (688, 407565), (720, 389451), (774, 362280), (860, 326052), (1032, 271710), (1080, 259634), (1161, 241520), (1290, 217368), (1548, 181140), (1720, 163026), (1935, 144912), (2064, 135855), (2160, 129817), (2322, 120760), (2580, 108684), (3019, 92880), (3096, 90570), (3440, 81513), (3870, 72456), (4644, 60380), (5160, 54342), (5805, 48304), (6038, 46440), (6192, 45285), (7740, 36228), (9057, 30960), (9288, 30190), (10320, 27171), (11610, 24152), (12076, 23220), (15095, 18576), (15480, 18114)]