428478720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{463}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 1377100032

約数和(自身を除く): 948621312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 241, 256, 320, 384, 463, 480, 482, 640, 723, 768, 926, 960, 964, 1205, 1280, 1389, 1446, 1852, 1920, 1928, 2315, 2410, 2778, 2892, 3615, 3704, 3840, 3856, 4630, 4820, 5556, 5784, 6945, 7230, 7408, 7712, 9260, 9640, 11112, 11568, 13890, 14460, 14816, 15424, 18520, 19280, 22224, 23136, 27780, 28920, 29632, 30848, 37040, 38560, 44448, 46272, 55560, 57840, 59264, 61696, 74080, 77120, 88896, 92544, 111120, 111583, 115680, 118528, 148160, 154240, 177792, 185088, 222240, 223166, 231360, 296320, 308480, 334749, 355584, 444480, 446332, 462720, 557915, 592640, 669498, 888960, 892664, 925440, 1115830, 1338996, 1673745, 1777920, 1785328, 2231660, 2677992, 3347490, 3570656, 4463320, 5355984, 6694980, 7141312, 8926640, 10711968, 13389960, 14282624, 17853280, 21423936, 26779920, 28565248, 35706560, 42847872, 53559840, 71413120, 85695744, 107119680, 142826240, 214239360, 428478720]

約数ペア:

[(1, 428478720), (2, 214239360), (3, 142826240), (4, 107119680), (5, 85695744), (6, 71413120), (8, 53559840), (10, 42847872), (12, 35706560), (15, 28565248), (16, 26779920), (20, 21423936), (24, 17853280), (30, 14282624), (32, 13389960), (40, 10711968), (48, 8926640), (60, 7141312), (64, 6694980), (80, 5355984), (96, 4463320), (120, 3570656), (128, 3347490), (160, 2677992), (192, 2231660), (240, 1785328), (241, 1777920), (256, 1673745), (320, 1338996), (384, 1115830), (463, 925440), (480, 892664), (482, 888960), (640, 669498), (723, 592640), (768, 557915), (926, 462720), (960, 446332), (964, 444480), (1205, 355584), (1280, 334749), (1389, 308480), (1446, 296320), (1852, 231360), (1920, 223166), (1928, 222240), (2315, 185088), (2410, 177792), (2778, 154240), (2892, 148160), (3615, 118528), (3704, 115680), (3840, 111583), (3856, 111120), (4630, 92544), (4820, 88896), (5556, 77120), (5784, 74080), (6945, 61696), (7230, 59264), (7408, 57840), (7712, 55560), (9260, 46272), (9640, 44448), (11112, 38560), (11568, 37040), (13890, 30848), (14460, 29632), (14816, 28920), (15424, 27780), (18520, 23136), (19280, 22224)]