28681200

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:312

約数の個数: 180

約数和(自身を含む): 103142208

約数和(自身を除く): 74461008

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 31, 36, 40, 45, 48, 50, 60, 62, 72, 75, 80, 90, 93, 100, 120, 124, 144, 150, 155, 180, 186, 200, 225, 240, 248, 257, 279, 300, 310, 360, 372, 400, 450, 465, 496, 514, 558, 600, 620, 720, 744, 771, 775, 900, 930, 1028, 1116, 1200, 1240, 1285, 1395, 1488, 1542, 1550, 1800, 1860, 2056, 2232, 2313, 2325, 2480, 2570, 2790, 3084, 3100, 3600, 3720, 3855, 4112, 4464, 4626, 4650, 5140, 5580, 6168, 6200, 6425, 6975, 7440, 7710, 7967, 9252, 9300, 10280, 11160, 11565, 12336, 12400, 12850, 13950, 15420, 15934, 18504, 18600, 19275, 20560, 22320, 23130, 23901, 25700, 27900, 30840, 31868, 37008, 37200, 38550, 39835, 46260, 47802, 51400, 55800, 57825, 61680, 63736, 71703, 77100, 79670, 92520, 95604, 102800, 111600, 115650, 119505, 127472, 143406, 154200, 159340, 185040, 191208, 199175, 231300, 239010, 286812, 308400, 318680, 358515, 382416, 398350, 462600, 478020, 573624, 597525, 637360, 717030, 796700, 925200, 956040, 1147248, 1195050, 1434060, 1593400, 1792575, 1912080, 2390100, 2868120, 3186800, 3585150, 4780200, 5736240, 7170300, 9560400, 14340600, 28681200]

約数ペア:

[(1, 28681200), (2, 14340600), (3, 9560400), (4, 7170300), (5, 5736240), (6, 4780200), (8, 3585150), (9, 3186800), (10, 2868120), (12, 2390100), (15, 1912080), (16, 1792575), (18, 1593400), (20, 1434060), (24, 1195050), (25, 1147248), (30, 956040), (31, 925200), (36, 796700), (40, 717030), (45, 637360), (48, 597525), (50, 573624), (60, 478020), (62, 462600), (72, 398350), (75, 382416), (80, 358515), (90, 318680), (93, 308400), (100, 286812), (120, 239010), (124, 231300), (144, 199175), (150, 191208), (155, 185040), (180, 159340), (186, 154200), (200, 143406), (225, 127472), (240, 119505), (248, 115650), (257, 111600), (279, 102800), (300, 95604), (310, 92520), (360, 79670), (372, 77100), (400, 71703), (450, 63736), (465, 61680), (496, 57825), (514, 55800), (558, 51400), (600, 47802), (620, 46260), (720, 39835), (744, 38550), (771, 37200), (775, 37008), (900, 31868), (930, 30840), (1028, 27900), (1116, 25700), (1200, 23901), (1240, 23130), (1285, 22320), (1395, 20560), (1488, 19275), (1542, 18600), (1550, 18504), (1800, 15934), (1860, 15420), (2056, 13950), (2232, 12850), (2313, 12400), (2325, 12336), (2480, 11565), (2570, 11160), (2790, 10280), (3084, 9300), (3100, 9252), (3600, 7967), (3720, 7710), (3855, 7440), (4112, 6975), (4464, 6425), (4626, 6200), (4650, 6168), (5140, 5580)]