287129520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:328

約数の個数: 240

約数和(自身を含む): 1029100800

約数和(自身を除く): 741971280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 139, 144, 151, 152, 171, 180, 190, 228, 240, 278, 285, 302, 304, 342, 360, 380, 417, 453, 456, 556, 570, 604, 684, 695, 720, 755, 760, 834, 855, 906, 912, 1112, 1140, 1208, 1251, 1359, 1368, 1390, 1510, 1520, 1668, 1710, 1812, 2085, 2224, 2265, 2280, 2416, 2502, 2641, 2718, 2736, 2780, 2869, 3020, 3336, 3420, 3624, 4170, 4530, 4560, 5004, 5282, 5436, 5560, 5738, 6040, 6255, 6672, 6795, 6840, 7248, 7923, 8340, 8607, 9060, 10008, 10564, 10872, 11120, 11476, 12080, 12510, 13205, 13590, 13680, 14345, 15846, 16680, 17214, 18120, 20016, 20989, 21128, 21744, 22952, 23769, 25020, 25821, 26410, 27180, 28690, 31692, 33360, 34428, 36240, 39615, 41978, 42256, 43035, 45904, 47538, 50040, 51642, 52820, 54360, 57380, 62967, 63384, 68856, 79230, 83956, 86070, 95076, 100080, 103284, 104945, 105640, 108720, 114760, 118845, 125934, 126768, 129105, 137712, 158460, 167912, 172140, 188901, 190152, 206568, 209890, 211280, 229520, 237690, 251868, 258210, 314835, 316920, 335824, 344280, 377802, 380304, 398791, 413136, 419780, 475380, 503736, 516420, 629670, 633840, 688560, 755604, 797582, 839560, 944505, 950760, 1007472, 1032840, 1196373, 1259340, 1511208, 1595164, 1679120, 1889010, 1901520, 1993955, 2065680, 2392746, 2518680, 3022416, 3190328, 3589119, 3778020, 3987910, 4785492, 5037360, 5981865, 6380656, 7178238, 7556040, 7975820, 9570984, 11963730, 14356476, 15112080, 15951640, 17945595, 19141968, 23927460, 28712952, 31903280, 35891190, 47854920, 57425904, 71782380, 95709840, 143564760, 287129520]

約数ペア:

[(1, 287129520), (2, 143564760), (3, 95709840), (4, 71782380), (5, 57425904), (6, 47854920), (8, 35891190), (9, 31903280), (10, 28712952), (12, 23927460), (15, 19141968), (16, 17945595), (18, 15951640), (19, 15112080), (20, 14356476), (24, 11963730), (30, 9570984), (36, 7975820), (38, 7556040), (40, 7178238), (45, 6380656), (48, 5981865), (57, 5037360), (60, 4785492), (72, 3987910), (76, 3778020), (80, 3589119), (90, 3190328), (95, 3022416), (114, 2518680), (120, 2392746), (139, 2065680), (144, 1993955), (151, 1901520), (152, 1889010), (171, 1679120), (180, 1595164), (190, 1511208), (228, 1259340), (240, 1196373), (278, 1032840), (285, 1007472), (302, 950760), (304, 944505), (342, 839560), (360, 797582), (380, 755604), (417, 688560), (453, 633840), (456, 629670), (556, 516420), (570, 503736), (604, 475380), (684, 419780), (695, 413136), (720, 398791), (755, 380304), (760, 377802), (834, 344280), (855, 335824), (906, 316920), (912, 314835), (1112, 258210), (1140, 251868), (1208, 237690), (1251, 229520), (1359, 211280), (1368, 209890), (1390, 206568), (1510, 190152), (1520, 188901), (1668, 172140), (1710, 167912), (1812, 158460), (2085, 137712), (2224, 129105), (2265, 126768), (2280, 125934), (2416, 118845), (2502, 114760), (2641, 108720), (2718, 105640), (2736, 104945), (2780, 103284), (2869, 100080), (3020, 95076), (3336, 86070), (3420, 83956), (3624, 79230), (4170, 68856), (4530, 63384), (4560, 62967), (5004, 57380), (5282, 54360), (5436, 52820), (5560, 51642), (5738, 50040), (6040, 47538), (6255, 45904), (6672, 43035), (6795, 42256), (6840, 41978), (7248, 39615), (7923, 36240), (8340, 34428), (8607, 33360), (9060, 31692), (10008, 28690), (10564, 27180), (10872, 26410), (11120, 25821), (11476, 25020), (12080, 23769), (12510, 22952), (13205, 21744), (13590, 21128), (13680, 20989), (14345, 20016), (15846, 18120), (16680, 17214)]