249644640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 192

約数和(自身を含む): 905748480

約数和(自身を除く): 656103840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 191, 210, 224, 240, 280, 336, 382, 389, 420, 480, 560, 573, 672, 764, 778, 840, 955, 1120, 1146, 1167, 1337, 1528, 1556, 1680, 1910, 1945, 2292, 2334, 2674, 2723, 2865, 3056, 3112, 3360, 3820, 3890, 4011, 4584, 4668, 5348, 5446, 5730, 5835, 6112, 6224, 6685, 7640, 7780, 8022, 8169, 9168, 9336, 10696, 10892, 11460, 11670, 12448, 13370, 13615, 15280, 15560, 16044, 16338, 18336, 18672, 20055, 21392, 21784, 22920, 23340, 26740, 27230, 30560, 31120, 32088, 32676, 37344, 40110, 40845, 42784, 43568, 45840, 46680, 53480, 54460, 62240, 64176, 65352, 74299, 80220, 81690, 87136, 91680, 93360, 106960, 108920, 128352, 130704, 148598, 160440, 163380, 186720, 213920, 217840, 222897, 261408, 297196, 320880, 326760, 371495, 435680, 445794, 520093, 594392, 641760, 653520, 742990, 891588, 1040186, 1114485, 1188784, 1307040, 1485980, 1560279, 1783176, 2080372, 2228970, 2377568, 2600465, 2971960, 3120558, 3566352, 4160744, 4457940, 5200930, 5943920, 6241116, 7132704, 7801395, 8321488, 8915880, 10401860, 11887840, 12482232, 15602790, 16642976, 17831760, 20803720, 24964464, 31205580, 35663520, 41607440, 49928928, 62411160, 83214880, 124822320, 249644640]

約数ペア:

[(1, 249644640), (2, 124822320), (3, 83214880), (4, 62411160), (5, 49928928), (6, 41607440), (7, 35663520), (8, 31205580), (10, 24964464), (12, 20803720), (14, 17831760), (15, 16642976), (16, 15602790), (20, 12482232), (21, 11887840), (24, 10401860), (28, 8915880), (30, 8321488), (32, 7801395), (35, 7132704), (40, 6241116), (42, 5943920), (48, 5200930), (56, 4457940), (60, 4160744), (70, 3566352), (80, 3120558), (84, 2971960), (96, 2600465), (105, 2377568), (112, 2228970), (120, 2080372), (140, 1783176), (160, 1560279), (168, 1485980), (191, 1307040), (210, 1188784), (224, 1114485), (240, 1040186), (280, 891588), (336, 742990), (382, 653520), (389, 641760), (420, 594392), (480, 520093), (560, 445794), (573, 435680), (672, 371495), (764, 326760), (778, 320880), (840, 297196), (955, 261408), (1120, 222897), (1146, 217840), (1167, 213920), (1337, 186720), (1528, 163380), (1556, 160440), (1680, 148598), (1910, 130704), (1945, 128352), (2292, 108920), (2334, 106960), (2674, 93360), (2723, 91680), (2865, 87136), (3056, 81690), (3112, 80220), (3360, 74299), (3820, 65352), (3890, 64176), (4011, 62240), (4584, 54460), (4668, 53480), (5348, 46680), (5446, 45840), (5730, 43568), (5835, 42784), (6112, 40845), (6224, 40110), (6685, 37344), (7640, 32676), (7780, 32088), (8022, 31120), (8169, 30560), (9168, 27230), (9336, 26740), (10696, 23340), (10892, 22920), (11460, 21784), (11670, 21392), (12448, 20055), (13370, 18672), (13615, 18336), (15280, 16338), (15560, 16044)]