221183760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 240

約数和(自身を含む): 815626368

約数和(自身を除く): 594442608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 137, 140, 155, 168, 186, 210, 217, 240, 248, 274, 280, 310, 336, 372, 411, 420, 434, 465, 496, 548, 560, 620, 651, 685, 744, 822, 840, 868, 930, 959, 961, 1085, 1096, 1240, 1302, 1370, 1488, 1644, 1680, 1736, 1860, 1918, 1922, 2055, 2170, 2192, 2480, 2604, 2740, 2877, 2883, 3255, 3288, 3472, 3720, 3836, 3844, 4110, 4247, 4340, 4795, 4805, 5208, 5480, 5754, 5766, 6510, 6576, 6727, 7440, 7672, 7688, 8220, 8494, 8680, 9590, 9610, 10416, 10960, 11508, 11532, 12741, 13020, 13454, 14385, 14415, 15344, 15376, 16440, 16988, 17360, 19180, 19220, 20181, 21235, 23016, 23064, 25482, 26040, 26908, 28770, 28830, 29729, 32880, 33635, 33976, 38360, 38440, 40362, 42470, 46032, 46128, 50964, 52080, 53816, 57540, 57660, 59458, 63705, 67270, 67952, 76720, 76880, 80724, 84940, 89187, 100905, 101928, 107632, 115080, 115320, 118916, 127410, 131657, 134540, 148645, 161448, 169880, 178374, 201810, 203856, 230160, 230640, 237832, 254820, 263314, 269080, 297290, 322896, 339760, 356748, 394971, 403620, 445935, 475664, 509640, 526628, 538160, 594580, 658285, 713496, 789942, 807240, 891870, 921599, 1019280, 1053256, 1189160, 1316570, 1426992, 1579884, 1614480, 1783740, 1843198, 1974855, 2106512, 2378320, 2633140, 2764797, 3159768, 3567480, 3686396, 3949710, 4607995, 5266280, 5529594, 6319536, 7134960, 7372792, 7899420, 9215990, 10532560, 11059188, 13823985, 14745584, 15798840, 18431980, 22118376, 27647970, 31597680, 36863960, 44236752, 55295940, 73727920, 110591880, 221183760]

約数ペア:

[(1, 221183760), (2, 110591880), (3, 73727920), (4, 55295940), (5, 44236752), (6, 36863960), (7, 31597680), (8, 27647970), (10, 22118376), (12, 18431980), (14, 15798840), (15, 14745584), (16, 13823985), (20, 11059188), (21, 10532560), (24, 9215990), (28, 7899420), (30, 7372792), (31, 7134960), (35, 6319536), (40, 5529594), (42, 5266280), (48, 4607995), (56, 3949710), (60, 3686396), (62, 3567480), (70, 3159768), (80, 2764797), (84, 2633140), (93, 2378320), (105, 2106512), (112, 1974855), (120, 1843198), (124, 1783740), (137, 1614480), (140, 1579884), (155, 1426992), (168, 1316570), (186, 1189160), (210, 1053256), (217, 1019280), (240, 921599), (248, 891870), (274, 807240), (280, 789942), (310, 713496), (336, 658285), (372, 594580), (411, 538160), (420, 526628), (434, 509640), (465, 475664), (496, 445935), (548, 403620), (560, 394971), (620, 356748), (651, 339760), (685, 322896), (744, 297290), (822, 269080), (840, 263314), (868, 254820), (930, 237832), (959, 230640), (961, 230160), (1085, 203856), (1096, 201810), (1240, 178374), (1302, 169880), (1370, 161448), (1488, 148645), (1644, 134540), (1680, 131657), (1736, 127410), (1860, 118916), (1918, 115320), (1922, 115080), (2055, 107632), (2170, 101928), (2192, 100905), (2480, 89187), (2604, 84940), (2740, 80724), (2877, 76880), (2883, 76720), (3255, 67952), (3288, 67270), (3472, 63705), (3720, 59458), (3836, 57660), (3844, 57540), (4110, 53816), (4247, 52080), (4340, 50964), (4795, 46128), (4805, 46032), (5208, 42470), (5480, 40362), (5754, 38440), (5766, 38360), (6510, 33976), (6576, 33635), (6727, 32880), (7440, 29729), (7672, 28830), (7688, 28770), (8220, 26908), (8494, 26040), (8680, 25482), (9590, 23064), (9610, 23016), (10416, 21235), (10960, 20181), (11508, 19220), (11532, 19180), (12741, 17360), (13020, 16988), (13454, 16440), (14385, 15376), (14415, 15344)]