320879520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:376

約数の個数: 288

約数和(自身を含む): 1202829264

約数和(自身を除く): 881949744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 61, 65, 72, 78, 80, 90, 96, 104, 117, 120, 122, 130, 144, 156, 160, 180, 183, 195, 208, 234, 240, 244, 260, 281, 288, 305, 312, 360, 366, 390, 416, 468, 480, 488, 520, 549, 562, 585, 610, 624, 720, 732, 780, 793, 843, 915, 936, 976, 1040, 1098, 1124, 1170, 1220, 1248, 1405, 1440, 1464, 1560, 1586, 1686, 1830, 1872, 1952, 2080, 2196, 2248, 2340, 2379, 2440, 2529, 2745, 2810, 2928, 3120, 3172, 3372, 3653, 3660, 3744, 3965, 4215, 4392, 4496, 4680, 4758, 4880, 5058, 5490, 5620, 5856, 6240, 6344, 6744, 7137, 7306, 7320, 7930, 8430, 8784, 8992, 9360, 9516, 9760, 10116, 10959, 10980, 11240, 11895, 12645, 12688, 13488, 14274, 14612, 14640, 15860, 16860, 17141, 17568, 18265, 18720, 19032, 20232, 21918, 21960, 22480, 23790, 25290, 25376, 26976, 28548, 29224, 29280, 31720, 32877, 33720, 34282, 35685, 36530, 38064, 40464, 43836, 43920, 44960, 47580, 50580, 51423, 54795, 57096, 58448, 63440, 65754, 67440, 68564, 71370, 73060, 76128, 80928, 85705, 87672, 87840, 95160, 101160, 102846, 109590, 114192, 116896, 126880, 131508, 134880, 137128, 142740, 146120, 154269, 164385, 171410, 175344, 190320, 202320, 205692, 219180, 222833, 228384, 257115, 263016, 274256, 285480, 292240, 308538, 328770, 342820, 350688, 380640, 404640, 411384, 438360, 445666, 514230, 526032, 548512, 570960, 584480, 617076, 657540, 668499, 685640, 771345, 822768, 876720, 891332, 1028460, 1052064, 1114165, 1141920, 1234152, 1315080, 1336998, 1371280, 1542690, 1645536, 1753440, 1782664, 2005497, 2056920, 2228330, 2468304, 2630160, 2673996, 2742560, 3085380, 3342495, 3565328, 4010994, 4113840, 4456660, 4936608, 5260320, 5347992, 6170760, 6684990, 7130656, 8021988, 8227680, 8913320, 10027485, 10695984, 12341520, 13369980, 16043976, 17826640, 20054970, 21391968, 24683040, 26739960, 32087952, 35653280, 40109940, 53479920, 64175904, 80219880, 106959840, 160439760, 320879520]

約数ペア:

[(1, 320879520), (2, 160439760), (3, 106959840), (4, 80219880), (5, 64175904), (6, 53479920), (8, 40109940), (9, 35653280), (10, 32087952), (12, 26739960), (13, 24683040), (15, 21391968), (16, 20054970), (18, 17826640), (20, 16043976), (24, 13369980), (26, 12341520), (30, 10695984), (32, 10027485), (36, 8913320), (39, 8227680), (40, 8021988), (45, 7130656), (48, 6684990), (52, 6170760), (60, 5347992), (61, 5260320), (65, 4936608), (72, 4456660), (78, 4113840), (80, 4010994), (90, 3565328), (96, 3342495), (104, 3085380), (117, 2742560), (120, 2673996), (122, 2630160), (130, 2468304), (144, 2228330), (156, 2056920), (160, 2005497), (180, 1782664), (183, 1753440), (195, 1645536), (208, 1542690), (234, 1371280), (240, 1336998), (244, 1315080), (260, 1234152), (281, 1141920), (288, 1114165), (305, 1052064), (312, 1028460), (360, 891332), (366, 876720), (390, 822768), (416, 771345), (468, 685640), (480, 668499), (488, 657540), (520, 617076), (549, 584480), (562, 570960), (585, 548512), (610, 526032), (624, 514230), (720, 445666), (732, 438360), (780, 411384), (793, 404640), (843, 380640), (915, 350688), (936, 342820), (976, 328770), (1040, 308538), (1098, 292240), (1124, 285480), (1170, 274256), (1220, 263016), (1248, 257115), (1405, 228384), (1440, 222833), (1464, 219180), (1560, 205692), (1586, 202320), (1686, 190320), (1830, 175344), (1872, 171410), (1952, 164385), (2080, 154269), (2196, 146120), (2248, 142740), (2340, 137128), (2379, 134880), (2440, 131508), (2529, 126880), (2745, 116896), (2810, 114192), (2928, 109590), (3120, 102846), (3172, 101160), (3372, 95160), (3653, 87840), (3660, 87672), (3744, 85705), (3965, 80928), (4215, 76128), (4392, 73060), (4496, 71370), (4680, 68564), (4758, 67440), (4880, 65754), (5058, 63440), (5490, 58448), (5620, 57096), (5856, 54795), (6240, 51423), (6344, 50580), (6744, 47580), (7137, 44960), (7306, 43920), (7320, 43836), (7930, 40464), (8430, 38064), (8784, 36530), (8992, 35685), (9360, 34282), (9516, 33720), (9760, 32877), (10116, 31720), (10959, 29280), (10980, 29224), (11240, 28548), (11895, 26976), (12645, 25376), (12688, 25290), (13488, 23790), (14274, 22480), (14612, 21960), (14640, 21918), (15860, 20232), (16860, 19032), (17141, 18720), (17568, 18265)]