621781160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:388

約数の個数: 256

約数和(自身を含む): 1920360960

約数和(自身を除く): 1298579800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 53, 55, 56, 65, 70, 77, 88, 91, 104, 106, 110, 130, 140, 143, 154, 182, 212, 220, 260, 265, 280, 286, 293, 308, 364, 371, 385, 424, 440, 455, 520, 530, 572, 583, 586, 616, 689, 715, 728, 742, 770, 910, 1001, 1060, 1144, 1166, 1172, 1378, 1430, 1465, 1484, 1540, 1820, 1855, 2002, 2051, 2120, 2332, 2344, 2756, 2860, 2915, 2930, 2968, 3080, 3223, 3445, 3640, 3710, 3809, 4004, 4081, 4102, 4664, 4823, 5005, 5512, 5720, 5830, 5860, 6446, 6890, 7420, 7579, 7618, 8008, 8162, 8204, 9646, 10010, 10255, 11660, 11720, 12892, 13780, 14840, 15158, 15236, 15529, 16115, 16324, 16408, 19045, 19292, 20020, 20405, 20510, 22561, 23320, 24115, 25784, 26663, 27560, 30316, 30472, 31058, 32230, 32648, 37895, 38090, 38584, 40040, 40810, 41020, 41899, 45122, 48230, 53053, 53326, 60632, 62116, 64460, 75790, 76180, 77645, 81620, 82040, 83798, 90244, 96460, 106106, 106652, 108703, 112805, 124232, 128920, 133315, 151580, 152360, 155290, 163240, 167596, 170819, 180488, 192920, 201877, 209495, 212212, 213304, 217406, 225610, 265265, 266630, 293293, 303160, 310580, 335192, 341638, 403754, 418990, 424424, 434812, 451220, 530530, 533260, 543515, 586586, 621160, 683276, 807508, 837980, 854095, 869624, 902440, 1009385, 1061060, 1066520, 1087030, 1173172, 1195733, 1366552, 1413139, 1466465, 1615016, 1675960, 1708190, 2018770, 2122120, 2174060, 2220647, 2346344, 2391466, 2826278, 2932930, 3416380, 4037540, 4348120, 4441294, 4782932, 5652556, 5865860, 5978665, 6832760, 7065695, 8075080, 8882588, 9565864, 11103235, 11305112, 11731720, 11957330, 14131390, 15544529, 17765176, 22206470, 23914660, 28262780, 31089058, 44412940, 47829320, 56525560, 62178116, 77722645, 88825880, 124356232, 155445290, 310890580, 621781160]

約数ペア:

[(1, 621781160), (2, 310890580), (4, 155445290), (5, 124356232), (7, 88825880), (8, 77722645), (10, 62178116), (11, 56525560), (13, 47829320), (14, 44412940), (20, 31089058), (22, 28262780), (26, 23914660), (28, 22206470), (35, 17765176), (40, 15544529), (44, 14131390), (52, 11957330), (53, 11731720), (55, 11305112), (56, 11103235), (65, 9565864), (70, 8882588), (77, 8075080), (88, 7065695), (91, 6832760), (104, 5978665), (106, 5865860), (110, 5652556), (130, 4782932), (140, 4441294), (143, 4348120), (154, 4037540), (182, 3416380), (212, 2932930), (220, 2826278), (260, 2391466), (265, 2346344), (280, 2220647), (286, 2174060), (293, 2122120), (308, 2018770), (364, 1708190), (371, 1675960), (385, 1615016), (424, 1466465), (440, 1413139), (455, 1366552), (520, 1195733), (530, 1173172), (572, 1087030), (583, 1066520), (586, 1061060), (616, 1009385), (689, 902440), (715, 869624), (728, 854095), (742, 837980), (770, 807508), (910, 683276), (1001, 621160), (1060, 586586), (1144, 543515), (1166, 533260), (1172, 530530), (1378, 451220), (1430, 434812), (1465, 424424), (1484, 418990), (1540, 403754), (1820, 341638), (1855, 335192), (2002, 310580), (2051, 303160), (2120, 293293), (2332, 266630), (2344, 265265), (2756, 225610), (2860, 217406), (2915, 213304), (2930, 212212), (2968, 209495), (3080, 201877), (3223, 192920), (3445, 180488), (3640, 170819), (3710, 167596), (3809, 163240), (4004, 155290), (4081, 152360), (4102, 151580), (4664, 133315), (4823, 128920), (5005, 124232), (5512, 112805), (5720, 108703), (5830, 106652), (5860, 106106), (6446, 96460), (6890, 90244), (7420, 83798), (7579, 82040), (7618, 81620), (8008, 77645), (8162, 76180), (8204, 75790), (9646, 64460), (10010, 62116), (10255, 60632), (11660, 53326), (11720, 53053), (12892, 48230), (13780, 45122), (14840, 41899), (15158, 41020), (15236, 40810), (15529, 40040), (16115, 38584), (16324, 38090), (16408, 37895), (19045, 32648), (19292, 32230), (20020, 31058), (20405, 30472), (20510, 30316), (22561, 27560), (23320, 26663), (24115, 25784)]