320470920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1051}}^1$

素因数の和:1097

約数の個数: 288

約数和(自身を含む): 1309613760

約数和(自身を除く): 989142840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 242, 252, 264, 280, 308, 315, 330, 360, 363, 385, 396, 420, 440, 462, 484, 495, 504, 605, 616, 630, 660, 693, 726, 770, 792, 840, 847, 924, 968, 990, 1051, 1089, 1155, 1210, 1260, 1320, 1386, 1452, 1540, 1694, 1815, 1848, 1980, 2102, 2178, 2310, 2420, 2520, 2541, 2772, 2904, 3080, 3153, 3388, 3465, 3630, 3960, 4204, 4235, 4356, 4620, 4840, 5082, 5255, 5445, 5544, 6306, 6776, 6930, 7260, 7357, 7623, 8408, 8470, 8712, 9240, 9459, 10164, 10510, 10890, 11561, 12612, 12705, 13860, 14520, 14714, 15246, 15765, 16940, 18918, 20328, 21020, 21780, 22071, 23122, 25224, 25410, 27720, 29428, 30492, 31530, 33880, 34683, 36785, 37836, 38115, 42040, 43560, 44142, 46244, 47295, 50820, 57805, 58856, 60984, 63060, 66213, 69366, 73570, 75672, 76230, 80927, 88284, 92488, 94590, 101640, 104049, 110355, 115610, 126120, 127171, 132426, 138732, 147140, 152460, 161854, 173415, 176568, 189180, 208098, 220710, 231220, 242781, 254342, 264852, 277464, 294280, 304920, 323708, 331065, 346830, 378360, 381513, 404635, 416196, 441420, 462440, 485562, 508684, 520245, 529704, 635855, 647416, 662130, 693660, 728343, 763026, 809270, 832392, 882840, 890197, 971124, 1017368, 1040490, 1144539, 1213905, 1271710, 1324260, 1387320, 1456686, 1526052, 1618540, 1780394, 1907565, 1942248, 2080980, 2289078, 2427810, 2543420, 2648520, 2670591, 2913372, 3052104, 3237080, 3560788, 3641715, 3815130, 4161960, 4450985, 4578156, 4855620, 5086840, 5341182, 5722695, 5826744, 7121576, 7283430, 7630260, 8011773, 8901970, 9156312, 9711240, 10682364, 11445390, 13352955, 14566860, 15260520, 16023546, 17803940, 21364728, 22890780, 26705910, 29133720, 32047092, 35607880, 40058865, 45781560, 53411820, 64094184, 80117730, 106823640, 160235460, 320470920]

約数ペア:

[(1, 320470920), (2, 160235460), (3, 106823640), (4, 80117730), (5, 64094184), (6, 53411820), (7, 45781560), (8, 40058865), (9, 35607880), (10, 32047092), (11, 29133720), (12, 26705910), (14, 22890780), (15, 21364728), (18, 17803940), (20, 16023546), (21, 15260520), (22, 14566860), (24, 13352955), (28, 11445390), (30, 10682364), (33, 9711240), (35, 9156312), (36, 8901970), (40, 8011773), (42, 7630260), (44, 7283430), (45, 7121576), (55, 5826744), (56, 5722695), (60, 5341182), (63, 5086840), (66, 4855620), (70, 4578156), (72, 4450985), (77, 4161960), (84, 3815130), (88, 3641715), (90, 3560788), (99, 3237080), (105, 3052104), (110, 2913372), (120, 2670591), (121, 2648520), (126, 2543420), (132, 2427810), (140, 2289078), (154, 2080980), (165, 1942248), (168, 1907565), (180, 1780394), (198, 1618540), (210, 1526052), (220, 1456686), (231, 1387320), (242, 1324260), (252, 1271710), (264, 1213905), (280, 1144539), (308, 1040490), (315, 1017368), (330, 971124), (360, 890197), (363, 882840), (385, 832392), (396, 809270), (420, 763026), (440, 728343), (462, 693660), (484, 662130), (495, 647416), (504, 635855), (605, 529704), (616, 520245), (630, 508684), (660, 485562), (693, 462440), (726, 441420), (770, 416196), (792, 404635), (840, 381513), (847, 378360), (924, 346830), (968, 331065), (990, 323708), (1051, 304920), (1089, 294280), (1155, 277464), (1210, 264852), (1260, 254342), (1320, 242781), (1386, 231220), (1452, 220710), (1540, 208098), (1694, 189180), (1815, 176568), (1848, 173415), (1980, 161854), (2102, 152460), (2178, 147140), (2310, 138732), (2420, 132426), (2520, 127171), (2541, 126120), (2772, 115610), (2904, 110355), (3080, 104049), (3153, 101640), (3388, 94590), (3465, 92488), (3630, 88284), (3960, 80927), (4204, 76230), (4235, 75672), (4356, 73570), (4620, 69366), (4840, 66213), (5082, 63060), (5255, 60984), (5445, 58856), (5544, 57805), (6306, 50820), (6776, 47295), (6930, 46244), (7260, 44142), (7357, 43560), (7623, 42040), (8408, 38115), (8470, 37836), (8712, 36785), (9240, 34683), (9459, 33880), (10164, 31530), (10510, 30492), (10890, 29428), (11561, 27720), (12612, 25410), (12705, 25224), (13860, 23122), (14520, 22071), (14714, 21780), (15246, 21020), (15765, 20328), (16940, 18918)]