217616280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:250

約数の個数: 256

約数和(自身を含む): 788520960

約数和(自身を除く): 570904680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 61, 62, 70, 84, 93, 105, 120, 122, 124, 137, 140, 155, 168, 183, 186, 210, 217, 244, 248, 274, 280, 305, 310, 366, 372, 411, 420, 427, 434, 465, 488, 548, 610, 620, 651, 685, 732, 744, 822, 840, 854, 868, 915, 930, 959, 1085, 1096, 1220, 1240, 1281, 1302, 1370, 1464, 1644, 1708, 1736, 1830, 1860, 1891, 1918, 2055, 2135, 2170, 2440, 2562, 2604, 2740, 2877, 3255, 3288, 3416, 3660, 3720, 3782, 3836, 4110, 4247, 4270, 4340, 4795, 5124, 5208, 5480, 5673, 5754, 6405, 6510, 7320, 7564, 7672, 8220, 8357, 8494, 8540, 8680, 9455, 9590, 10248, 11346, 11508, 12741, 12810, 13020, 13237, 14385, 15128, 16440, 16714, 16988, 17080, 18910, 19180, 21235, 22692, 23016, 25071, 25482, 25620, 26040, 26474, 28365, 28770, 29729, 33428, 33976, 37820, 38360, 39711, 41785, 42470, 45384, 50142, 50964, 51240, 52948, 56730, 57540, 58499, 59458, 63705, 66185, 66856, 75640, 79422, 83570, 84940, 89187, 100284, 101928, 105896, 113460, 115080, 116998, 118916, 125355, 127410, 132370, 148645, 158844, 167140, 169880, 175497, 178374, 198555, 200568, 226920, 233996, 237832, 250710, 254820, 259067, 264740, 292495, 297290, 317688, 334280, 350994, 356748, 397110, 445935, 467992, 501420, 509640, 518134, 529480, 584990, 594580, 701988, 713496, 777201, 794220, 877485, 891870, 1002840, 1036268, 1169980, 1189160, 1295335, 1403976, 1554402, 1588440, 1754970, 1783740, 1813469, 2072536, 2339960, 2590670, 3108804, 3509940, 3567480, 3626938, 3886005, 5181340, 5440407, 6217608, 7019880, 7253876, 7772010, 9067345, 10362680, 10880814, 14507752, 15544020, 18134690, 21761628, 27202035, 31088040, 36269380, 43523256, 54404070, 72538760, 108808140, 217616280]

約数ペア:

[(1, 217616280), (2, 108808140), (3, 72538760), (4, 54404070), (5, 43523256), (6, 36269380), (7, 31088040), (8, 27202035), (10, 21761628), (12, 18134690), (14, 15544020), (15, 14507752), (20, 10880814), (21, 10362680), (24, 9067345), (28, 7772010), (30, 7253876), (31, 7019880), (35, 6217608), (40, 5440407), (42, 5181340), (56, 3886005), (60, 3626938), (61, 3567480), (62, 3509940), (70, 3108804), (84, 2590670), (93, 2339960), (105, 2072536), (120, 1813469), (122, 1783740), (124, 1754970), (137, 1588440), (140, 1554402), (155, 1403976), (168, 1295335), (183, 1189160), (186, 1169980), (210, 1036268), (217, 1002840), (244, 891870), (248, 877485), (274, 794220), (280, 777201), (305, 713496), (310, 701988), (366, 594580), (372, 584990), (411, 529480), (420, 518134), (427, 509640), (434, 501420), (465, 467992), (488, 445935), (548, 397110), (610, 356748), (620, 350994), (651, 334280), (685, 317688), (732, 297290), (744, 292495), (822, 264740), (840, 259067), (854, 254820), (868, 250710), (915, 237832), (930, 233996), (959, 226920), (1085, 200568), (1096, 198555), (1220, 178374), (1240, 175497), (1281, 169880), (1302, 167140), (1370, 158844), (1464, 148645), (1644, 132370), (1708, 127410), (1736, 125355), (1830, 118916), (1860, 116998), (1891, 115080), (1918, 113460), (2055, 105896), (2135, 101928), (2170, 100284), (2440, 89187), (2562, 84940), (2604, 83570), (2740, 79422), (2877, 75640), (3255, 66856), (3288, 66185), (3416, 63705), (3660, 59458), (3720, 58499), (3782, 57540), (3836, 56730), (4110, 52948), (4247, 51240), (4270, 50964), (4340, 50142), (4795, 45384), (5124, 42470), (5208, 41785), (5480, 39711), (5673, 38360), (5754, 37820), (6405, 33976), (6510, 33428), (7320, 29729), (7564, 28770), (7672, 28365), (8220, 26474), (8357, 26040), (8494, 25620), (8540, 25482), (8680, 25071), (9455, 23016), (9590, 22692), (10248, 21235), (11346, 19180), (11508, 18910), (12741, 17080), (12810, 16988), (13020, 16714), (13237, 16440), (14385, 15128)]