2000207520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8123}}^1$

素因数の和:8169

約数の個数: 240

約数和(自身を含む): 7431510240

約数和(自身を除く): 5431302720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1824, 2052, 2160, 2280, 2565, 2592, 2736, 3040, 3078, 3240, 3420, 4104, 4320, 4560, 5130, 5472, 6156, 6480, 6840, 7695, 8123, 8208, 9120, 10260, 12312, 12960, 13680, 15390, 16246, 16416, 20520, 24369, 24624, 27360, 30780, 32492, 40615, 41040, 48738, 49248, 61560, 64984, 73107, 81230, 82080, 97476, 121845, 123120, 129968, 146214, 154337, 162460, 194952, 219321, 243690, 246240, 259936, 292428, 308674, 324920, 365535, 389904, 438642, 463011, 487380, 584856, 617348, 649840, 657963, 731070, 771685, 779808, 877284, 926022, 974760, 1096605, 1169712, 1234696, 1299680, 1315926, 1389033, 1462140, 1543370, 1754568, 1852044, 1949520, 2193210, 2315055, 2339424, 2469392, 2631852, 2778066, 2924280, 3086740, 3289815, 3509136, 3704088, 3899040, 4167099, 4386420, 4630110, 4938784, 5263704, 5556132, 5848560, 6173480, 6579630, 6945165, 7018272, 7408176, 8334198, 8772840, 9260220, 10527408, 11112264, 11697120, 12346960, 12501297, 13159260, 13890330, 14816352, 16668396, 17545680, 18520440, 20835495, 21054816, 22224528, 24693920, 25002594, 26318520, 27780660, 33336792, 35091360, 37040880, 41670990, 44449056, 50005188, 52637040, 55561320, 62506485, 66673584, 74081760, 83341980, 100010376, 105274080, 111122640, 125012970, 133347168, 166683960, 200020752, 222245280, 250025940, 333367920, 400041504, 500051880, 666735840, 1000103760, 2000207520]

約数ペア:

[(1, 2000207520), (2, 1000103760), (3, 666735840), (4, 500051880), (5, 400041504), (6, 333367920), (8, 250025940), (9, 222245280), (10, 200020752), (12, 166683960), (15, 133347168), (16, 125012970), (18, 111122640), (19, 105274080), (20, 100010376), (24, 83341980), (27, 74081760), (30, 66673584), (32, 62506485), (36, 55561320), (38, 52637040), (40, 50005188), (45, 44449056), (48, 41670990), (54, 37040880), (57, 35091360), (60, 33336792), (72, 27780660), (76, 26318520), (80, 25002594), (81, 24693920), (90, 22224528), (95, 21054816), (96, 20835495), (108, 18520440), (114, 17545680), (120, 16668396), (135, 14816352), (144, 13890330), (152, 13159260), (160, 12501297), (162, 12346960), (171, 11697120), (180, 11112264), (190, 10527408), (216, 9260220), (228, 8772840), (240, 8334198), (270, 7408176), (285, 7018272), (288, 6945165), (304, 6579630), (324, 6173480), (342, 5848560), (360, 5556132), (380, 5263704), (405, 4938784), (432, 4630110), (456, 4386420), (480, 4167099), (513, 3899040), (540, 3704088), (570, 3509136), (608, 3289815), (648, 3086740), (684, 2924280), (720, 2778066), (760, 2631852), (810, 2469392), (855, 2339424), (864, 2315055), (912, 2193210), (1026, 1949520), (1080, 1852044), (1140, 1754568), (1296, 1543370), (1368, 1462140), (1440, 1389033), (1520, 1315926), (1539, 1299680), (1620, 1234696), (1710, 1169712), (1824, 1096605), (2052, 974760), (2160, 926022), (2280, 877284), (2565, 779808), (2592, 771685), (2736, 731070), (3040, 657963), (3078, 649840), (3240, 617348), (3420, 584856), (4104, 487380), (4320, 463011), (4560, 438642), (5130, 389904), (5472, 365535), (6156, 324920), (6480, 308674), (6840, 292428), (7695, 259936), (8123, 246240), (8208, 243690), (9120, 219321), (10260, 194952), (12312, 162460), (12960, 154337), (13680, 146214), (15390, 129968), (16246, 123120), (16416, 121845), (20520, 97476), (24369, 82080), (24624, 81230), (27360, 73107), (30780, 64984), (32492, 61560), (40615, 49248), (41040, 48738)]