30784800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 144

約数和(自身を含む): 101993472

約数和(自身を除く): 71208672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 101, 120, 127, 150, 160, 200, 202, 240, 254, 300, 303, 381, 400, 404, 480, 505, 508, 600, 606, 635, 762, 800, 808, 1010, 1016, 1200, 1212, 1270, 1515, 1524, 1616, 1905, 2020, 2032, 2400, 2424, 2525, 2540, 3030, 3048, 3175, 3232, 3810, 4040, 4064, 4848, 5050, 5080, 6060, 6096, 6350, 7575, 7620, 8080, 9525, 9696, 10100, 10160, 12120, 12192, 12700, 12827, 15150, 15240, 16160, 19050, 20200, 20320, 24240, 25400, 25654, 30300, 30480, 38100, 38481, 40400, 48480, 50800, 51308, 60600, 60960, 64135, 76200, 76962, 80800, 101600, 102616, 121200, 128270, 152400, 153924, 192405, 205232, 242400, 256540, 304800, 307848, 320675, 384810, 410464, 513080, 615696, 641350, 769620, 962025, 1026160, 1231392, 1282700, 1539240, 1924050, 2052320, 2565400, 3078480, 3848100, 5130800, 6156960, 7696200, 10261600, 15392400, 30784800]

約数ペア:

[(1, 30784800), (2, 15392400), (3, 10261600), (4, 7696200), (5, 6156960), (6, 5130800), (8, 3848100), (10, 3078480), (12, 2565400), (15, 2052320), (16, 1924050), (20, 1539240), (24, 1282700), (25, 1231392), (30, 1026160), (32, 962025), (40, 769620), (48, 641350), (50, 615696), (60, 513080), (75, 410464), (80, 384810), (96, 320675), (100, 307848), (101, 304800), (120, 256540), (127, 242400), (150, 205232), (160, 192405), (200, 153924), (202, 152400), (240, 128270), (254, 121200), (300, 102616), (303, 101600), (381, 80800), (400, 76962), (404, 76200), (480, 64135), (505, 60960), (508, 60600), (600, 51308), (606, 50800), (635, 48480), (762, 40400), (800, 38481), (808, 38100), (1010, 30480), (1016, 30300), (1200, 25654), (1212, 25400), (1270, 24240), (1515, 20320), (1524, 20200), (1616, 19050), (1905, 16160), (2020, 15240), (2032, 15150), (2400, 12827), (2424, 12700), (2525, 12192), (2540, 12120), (3030, 10160), (3048, 10100), (3175, 9696), (3232, 9525), (3810, 8080), (4040, 7620), (4064, 7575), (4848, 6350), (5050, 6096), (5080, 6060)]