221880120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 384

約数和(自身を含む): 873331200

約数和(自身を除く): 651451080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 37, 40, 42, 44, 55, 56, 59, 60, 66, 70, 74, 77, 84, 88, 105, 110, 111, 118, 120, 121, 132, 140, 148, 154, 165, 168, 177, 185, 210, 220, 222, 231, 236, 242, 259, 264, 280, 295, 296, 308, 330, 354, 363, 370, 385, 407, 413, 420, 440, 444, 462, 472, 484, 518, 555, 590, 605, 616, 649, 660, 708, 726, 740, 770, 777, 814, 826, 840, 847, 885, 888, 924, 968, 1036, 1110, 1155, 1180, 1210, 1221, 1239, 1295, 1298, 1320, 1416, 1452, 1480, 1540, 1554, 1628, 1652, 1694, 1770, 1815, 1848, 1947, 2035, 2065, 2072, 2183, 2220, 2310, 2360, 2420, 2442, 2478, 2541, 2590, 2596, 2849, 2904, 3080, 3108, 3245, 3256, 3304, 3388, 3540, 3630, 3885, 3894, 4070, 4130, 4235, 4366, 4440, 4477, 4543, 4620, 4840, 4884, 4956, 5082, 5180, 5192, 5698, 6105, 6195, 6216, 6490, 6549, 6776, 7080, 7139, 7260, 7770, 7788, 8140, 8260, 8470, 8547, 8732, 8954, 9086, 9240, 9735, 9768, 9912, 10164, 10360, 10915, 11396, 12210, 12390, 12705, 12980, 13098, 13431, 13629, 14245, 14278, 14520, 15281, 15540, 15576, 16280, 16520, 16940, 17094, 17464, 17908, 18172, 19470, 20328, 21417, 21830, 22385, 22715, 22792, 24013, 24420, 24780, 25410, 25960, 26196, 26862, 27258, 28490, 28556, 30562, 31080, 31339, 32745, 33880, 34188, 35695, 35816, 36344, 38940, 42735, 42834, 43660, 44770, 45430, 45843, 48026, 48840, 49560, 49973, 50820, 52392, 53724, 54516, 56980, 57112, 61124, 62678, 65490, 67155, 68145, 68376, 71390, 72039, 76405, 77880, 85470, 85668, 87320, 89540, 90860, 91686, 94017, 96052, 99946, 101640, 107085, 107448, 109032, 113960, 120065, 122248, 125356, 130980, 134310, 136290, 142780, 144078, 149919, 152810, 156695, 168091, 170940, 171336, 179080, 181720, 183372, 188034, 192104, 199892, 214170, 229215, 240130, 249865, 250712, 261960, 264143, 268620, 272580, 285560, 288156, 299838, 305620, 313390, 336182, 341880, 360195, 366744, 376068, 399784, 428340, 458430, 470085, 480260, 499730, 504273, 528286, 537240, 545160, 576312, 599676, 611240, 626780, 672364, 720390, 749595, 752136, 792429, 840455, 856680, 916860, 940170, 960520, 999460, 1008546, 1056572, 1199352, 1253560, 1320715, 1344728, 1440780, 1499190, 1584858, 1680910, 1833720, 1849001, 1880340, 1998920, 2017092, 2113144, 2521365, 2641430, 2881560, 2998380, 3169716, 3361820, 3698002, 3760680, 3962145, 4034184, 5042730, 5282860, 5547003, 5996760, 6339432, 6723640, 7396004, 7924290, 9245005, 10085460, 10565720, 11094006, 14792008, 15848580, 18490010, 20170920, 22188012, 27735015, 31697160, 36980020, 44376024, 55470030, 73960040, 110940060, 221880120]

約数ペア:

[(1, 221880120), (2, 110940060), (3, 73960040), (4, 55470030), (5, 44376024), (6, 36980020), (7, 31697160), (8, 27735015), (10, 22188012), (11, 20170920), (12, 18490010), (14, 15848580), (15, 14792008), (20, 11094006), (21, 10565720), (22, 10085460), (24, 9245005), (28, 7924290), (30, 7396004), (33, 6723640), (35, 6339432), (37, 5996760), (40, 5547003), (42, 5282860), (44, 5042730), (55, 4034184), (56, 3962145), (59, 3760680), (60, 3698002), (66, 3361820), (70, 3169716), (74, 2998380), (77, 2881560), (84, 2641430), (88, 2521365), (105, 2113144), (110, 2017092), (111, 1998920), (118, 1880340), (120, 1849001), (121, 1833720), (132, 1680910), (140, 1584858), (148, 1499190), (154, 1440780), (165, 1344728), (168, 1320715), (177, 1253560), (185, 1199352), (210, 1056572), (220, 1008546), (222, 999460), (231, 960520), (236, 940170), (242, 916860), (259, 856680), (264, 840455), (280, 792429), (295, 752136), (296, 749595), (308, 720390), (330, 672364), (354, 626780), (363, 611240), (370, 599676), (385, 576312), (407, 545160), (413, 537240), (420, 528286), (440, 504273), (444, 499730), (462, 480260), (472, 470085), (484, 458430), (518, 428340), (555, 399784), (590, 376068), (605, 366744), (616, 360195), (649, 341880), (660, 336182), (708, 313390), (726, 305620), (740, 299838), (770, 288156), (777, 285560), (814, 272580), (826, 268620), (840, 264143), (847, 261960), (885, 250712), (888, 249865), (924, 240130), (968, 229215), (1036, 214170), (1110, 199892), (1155, 192104), (1180, 188034), (1210, 183372), (1221, 181720), (1239, 179080), (1295, 171336), (1298, 170940), (1320, 168091), (1416, 156695), (1452, 152810), (1480, 149919), (1540, 144078), (1554, 142780), (1628, 136290), (1652, 134310), (1694, 130980), (1770, 125356), (1815, 122248), (1848, 120065), (1947, 113960), (2035, 109032), (2065, 107448), (2072, 107085), (2183, 101640), (2220, 99946), (2310, 96052), (2360, 94017), (2420, 91686), (2442, 90860), (2478, 89540), (2541, 87320), (2590, 85668), (2596, 85470), (2849, 77880), (2904, 76405), (3080, 72039), (3108, 71390), (3245, 68376), (3256, 68145), (3304, 67155), (3388, 65490), (3540, 62678), (3630, 61124), (3885, 57112), (3894, 56980), (4070, 54516), (4130, 53724), (4235, 52392), (4366, 50820), (4440, 49973), (4477, 49560), (4543, 48840), (4620, 48026), (4840, 45843), (4884, 45430), (4956, 44770), (5082, 43660), (5180, 42834), (5192, 42735), (5698, 38940), (6105, 36344), (6195, 35816), (6216, 35695), (6490, 34188), (6549, 33880), (6776, 32745), (7080, 31339), (7139, 31080), (7260, 30562), (7770, 28556), (7788, 28490), (8140, 27258), (8260, 26862), (8470, 26196), (8547, 25960), (8732, 25410), (8954, 24780), (9086, 24420), (9240, 24013), (9735, 22792), (9768, 22715), (9912, 22385), (10164, 21830), (10360, 21417), (10915, 20328), (11396, 19470), (12210, 18172), (12390, 17908), (12705, 17464), (12980, 17094), (13098, 16940), (13431, 16520), (13629, 16280), (14245, 15576), (14278, 15540), (14520, 15281)]