278391960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 384

約数和(自身を含む): 1151055360

約数和(自身を除く): 872663400

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, 83, 84, 88, 90, 99, 105, 110, 120, 121, 126, 132, 140, 154, 165, 166, 168, 180, 198, 210, 220, 231, 242, 249, 252, 264, 280, 308, 315, 330, 332, 360, 363, 385, 396, 415, 420, 440, 462, 484, 495, 498, 504, 581, 605, 616, 630, 660, 664, 693, 726, 747, 770, 792, 830, 840, 847, 913, 924, 968, 990, 996, 1089, 1155, 1162, 1210, 1245, 1260, 1320, 1331, 1386, 1452, 1494, 1540, 1660, 1694, 1743, 1815, 1826, 1848, 1980, 1992, 2178, 2310, 2324, 2420, 2490, 2520, 2541, 2662, 2739, 2772, 2904, 2905, 2988, 3080, 3320, 3388, 3465, 3486, 3630, 3652, 3735, 3960, 3993, 4235, 4356, 4565, 4620, 4648, 4840, 4980, 5082, 5229, 5324, 5445, 5478, 5544, 5810, 5976, 6391, 6655, 6776, 6930, 6972, 7260, 7304, 7470, 7623, 7986, 8217, 8470, 8712, 8715, 9130, 9240, 9317, 9960, 10043, 10164, 10458, 10648, 10890, 10956, 11620, 11979, 12705, 12782, 13310, 13695, 13860, 13944, 14520, 14940, 15246, 15972, 16434, 16940, 17430, 18260, 18634, 19173, 19965, 20086, 20328, 20916, 21780, 21912, 23240, 23958, 25410, 25564, 26145, 26620, 27390, 27720, 27951, 29880, 30129, 30492, 31944, 31955, 32868, 33880, 34860, 36520, 37268, 38115, 38346, 39930, 40172, 41085, 41832, 43560, 46585, 47916, 50215, 50820, 51128, 52290, 53240, 54780, 55902, 57519, 59895, 60258, 60984, 63910, 65736, 69720, 70301, 74536, 76230, 76692, 79860, 80344, 82170, 83853, 90387, 93170, 95832, 95865, 100430, 101640, 104580, 109560, 110473, 111804, 115038, 119790, 120516, 127820, 139755, 140602, 150645, 152460, 153384, 159720, 164340, 167706, 180774, 186340, 191730, 200860, 209160, 210903, 220946, 223608, 230076, 239580, 241032, 255640, 279510, 281204, 287595, 301290, 304920, 328680, 331419, 335412, 351505, 361548, 372680, 383460, 401720, 419265, 421806, 441892, 451935, 460152, 479160, 552365, 559020, 562408, 575190, 602580, 632709, 662838, 670824, 703010, 723096, 766920, 773311, 838530, 843612, 883784, 903870, 994257, 1054515, 1104730, 1118040, 1150380, 1205160, 1265418, 1325676, 1406020, 1546622, 1657095, 1677060, 1687224, 1807740, 1988514, 2109030, 2209460, 2300760, 2319933, 2530836, 2651352, 2812040, 3093244, 3163545, 3314190, 3354120, 3615480, 3866555, 3977028, 4218060, 4418920, 4639866, 4971285, 5061672, 6186488, 6327090, 6628380, 6959799, 7733110, 7954056, 8436120, 9279732, 9942570, 11599665, 12654180, 13256760, 13919598, 15466220, 18559464, 19885140, 23199330, 25308360, 27839196, 30932440, 34798995, 39770280, 46398660, 55678392, 69597990, 92797320, 139195980, 278391960]

約数ペア:

[(1, 278391960), (2, 139195980), (3, 92797320), (4, 69597990), (5, 55678392), (6, 46398660), (7, 39770280), (8, 34798995), (9, 30932440), (10, 27839196), (11, 25308360), (12, 23199330), (14, 19885140), (15, 18559464), (18, 15466220), (20, 13919598), (21, 13256760), (22, 12654180), (24, 11599665), (28, 9942570), (30, 9279732), (33, 8436120), (35, 7954056), (36, 7733110), (40, 6959799), (42, 6628380), (44, 6327090), (45, 6186488), (55, 5061672), (56, 4971285), (60, 4639866), (63, 4418920), (66, 4218060), (70, 3977028), (72, 3866555), (77, 3615480), (83, 3354120), (84, 3314190), (88, 3163545), (90, 3093244), (99, 2812040), (105, 2651352), (110, 2530836), (120, 2319933), (121, 2300760), (126, 2209460), (132, 2109030), (140, 1988514), (154, 1807740), (165, 1687224), (166, 1677060), (168, 1657095), (180, 1546622), (198, 1406020), (210, 1325676), (220, 1265418), (231, 1205160), (242, 1150380), (249, 1118040), (252, 1104730), (264, 1054515), (280, 994257), (308, 903870), (315, 883784), (330, 843612), (332, 838530), (360, 773311), (363, 766920), (385, 723096), (396, 703010), (415, 670824), (420, 662838), (440, 632709), (462, 602580), (484, 575190), (495, 562408), (498, 559020), (504, 552365), (581, 479160), (605, 460152), (616, 451935), (630, 441892), (660, 421806), (664, 419265), (693, 401720), (726, 383460), (747, 372680), (770, 361548), (792, 351505), (830, 335412), (840, 331419), (847, 328680), (913, 304920), (924, 301290), (968, 287595), (990, 281204), (996, 279510), (1089, 255640), (1155, 241032), (1162, 239580), (1210, 230076), (1245, 223608), (1260, 220946), (1320, 210903), (1331, 209160), (1386, 200860), (1452, 191730), (1494, 186340), (1540, 180774), (1660, 167706), (1694, 164340), (1743, 159720), (1815, 153384), (1826, 152460), (1848, 150645), (1980, 140602), (1992, 139755), (2178, 127820), (2310, 120516), (2324, 119790), (2420, 115038), (2490, 111804), (2520, 110473), (2541, 109560), (2662, 104580), (2739, 101640), (2772, 100430), (2904, 95865), (2905, 95832), (2988, 93170), (3080, 90387), (3320, 83853), (3388, 82170), (3465, 80344), (3486, 79860), (3630, 76692), (3652, 76230), (3735, 74536), (3960, 70301), (3993, 69720), (4235, 65736), (4356, 63910), (4565, 60984), (4620, 60258), (4648, 59895), (4840, 57519), (4980, 55902), (5082, 54780), (5229, 53240), (5324, 52290), (5445, 51128), (5478, 50820), (5544, 50215), (5810, 47916), (5976, 46585), (6391, 43560), (6655, 41832), (6776, 41085), (6930, 40172), (6972, 39930), (7260, 38346), (7304, 38115), (7470, 37268), (7623, 36520), (7986, 34860), (8217, 33880), (8470, 32868), (8712, 31955), (8715, 31944), (9130, 30492), (9240, 30129), (9317, 29880), (9960, 27951), (10043, 27720), (10164, 27390), (10458, 26620), (10648, 26145), (10890, 25564), (10956, 25410), (11620, 23958), (11979, 23240), (12705, 21912), (12782, 21780), (13310, 20916), (13695, 20328), (13860, 20086), (13944, 19965), (14520, 19173), (14940, 18634), (15246, 18260), (15972, 17430), (16434, 16940)]