261479520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{503}}^1$

素因数の和:562

約数の個数: 216

約数和(自身を含む): 943605936

約数和(自身を除く): 682126416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 361, 380, 456, 480, 503, 570, 608, 684, 720, 722, 760, 855, 912, 1006, 1083, 1140, 1368, 1440, 1444, 1509, 1520, 1710, 1805, 1824, 2012, 2166, 2280, 2515, 2736, 2888, 3018, 3040, 3249, 3420, 3610, 4024, 4332, 4527, 4560, 5030, 5415, 5472, 5776, 6036, 6498, 6840, 7220, 7545, 8048, 8664, 9054, 9120, 9557, 10060, 10830, 11552, 12072, 12996, 13680, 14440, 15090, 16096, 16245, 17328, 18108, 19114, 20120, 21660, 22635, 24144, 25992, 27360, 28671, 28880, 30180, 32490, 34656, 36216, 38228, 40240, 43320, 45270, 47785, 48288, 51984, 57342, 57760, 60360, 64980, 72432, 76456, 80480, 86013, 86640, 90540, 95570, 103968, 114684, 120720, 129960, 143355, 144864, 152912, 172026, 173280, 181080, 181583, 191140, 229368, 241440, 259920, 286710, 305824, 344052, 362160, 363166, 382280, 430065, 458736, 519840, 544749, 573420, 688104, 724320, 726332, 764560, 860130, 907915, 917472, 1089498, 1146840, 1376208, 1452664, 1529120, 1634247, 1720260, 1815830, 2178996, 2293680, 2723745, 2752416, 2905328, 3268494, 3440520, 3631660, 4357992, 4587360, 5447490, 5810656, 6536988, 6881040, 7263320, 8171235, 8715984, 10894980, 13073976, 13762080, 14526640, 16342470, 17431968, 21789960, 26147952, 29053280, 32684940, 43579920, 52295904, 65369880, 87159840, 130739760, 261479520]

約数ペア:

[(1, 261479520), (2, 130739760), (3, 87159840), (4, 65369880), (5, 52295904), (6, 43579920), (8, 32684940), (9, 29053280), (10, 26147952), (12, 21789960), (15, 17431968), (16, 16342470), (18, 14526640), (19, 13762080), (20, 13073976), (24, 10894980), (30, 8715984), (32, 8171235), (36, 7263320), (38, 6881040), (40, 6536988), (45, 5810656), (48, 5447490), (57, 4587360), (60, 4357992), (72, 3631660), (76, 3440520), (80, 3268494), (90, 2905328), (95, 2752416), (96, 2723745), (114, 2293680), (120, 2178996), (144, 1815830), (152, 1720260), (160, 1634247), (171, 1529120), (180, 1452664), (190, 1376208), (228, 1146840), (240, 1089498), (285, 917472), (288, 907915), (304, 860130), (342, 764560), (360, 726332), (361, 724320), (380, 688104), (456, 573420), (480, 544749), (503, 519840), (570, 458736), (608, 430065), (684, 382280), (720, 363166), (722, 362160), (760, 344052), (855, 305824), (912, 286710), (1006, 259920), (1083, 241440), (1140, 229368), (1368, 191140), (1440, 181583), (1444, 181080), (1509, 173280), (1520, 172026), (1710, 152912), (1805, 144864), (1824, 143355), (2012, 129960), (2166, 120720), (2280, 114684), (2515, 103968), (2736, 95570), (2888, 90540), (3018, 86640), (3040, 86013), (3249, 80480), (3420, 76456), (3610, 72432), (4024, 64980), (4332, 60360), (4527, 57760), (4560, 57342), (5030, 51984), (5415, 48288), (5472, 47785), (5776, 45270), (6036, 43320), (6498, 40240), (6840, 38228), (7220, 36216), (7545, 34656), (8048, 32490), (8664, 30180), (9054, 28880), (9120, 28671), (9557, 27360), (10060, 25992), (10830, 24144), (11552, 22635), (12072, 21660), (12996, 20120), (13680, 19114), (14440, 18108), (15090, 17328), (16096, 16245)]