240383920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 673099776

約数和(自身を除く): 432715856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 61, 62, 70, 80, 112, 122, 124, 140, 155, 217, 227, 244, 248, 280, 305, 310, 427, 434, 454, 488, 496, 560, 610, 620, 854, 868, 908, 976, 1085, 1135, 1220, 1240, 1589, 1708, 1736, 1816, 1891, 2135, 2170, 2270, 2440, 2480, 3178, 3416, 3472, 3632, 3782, 4270, 4340, 4540, 4880, 6356, 6832, 7037, 7564, 7945, 8540, 8680, 9080, 9455, 12712, 13237, 13847, 14074, 15128, 15890, 17080, 17360, 18160, 18910, 25424, 26474, 27694, 28148, 30256, 31780, 34160, 35185, 37820, 49259, 52948, 55388, 56296, 63560, 66185, 69235, 70370, 75640, 96929, 98518, 105896, 110776, 112592, 127120, 132370, 138470, 140740, 151280, 193858, 197036, 211792, 221552, 246295, 264740, 276940, 281480, 387716, 394072, 429257, 484645, 492590, 529480, 553880, 562960, 775432, 788144, 858514, 969290, 985180, 1058960, 1107760, 1550864, 1717028, 1938580, 1970360, 2146285, 3004799, 3434056, 3877160, 3940720, 4292570, 6009598, 6868112, 7754320, 8585140, 12019196, 15023995, 17170280, 24038392, 30047990, 34340560, 48076784, 60095980, 120191960, 240383920]

約数ペア:

[(1, 240383920), (2, 120191960), (4, 60095980), (5, 48076784), (7, 34340560), (8, 30047990), (10, 24038392), (14, 17170280), (16, 15023995), (20, 12019196), (28, 8585140), (31, 7754320), (35, 6868112), (40, 6009598), (56, 4292570), (61, 3940720), (62, 3877160), (70, 3434056), (80, 3004799), (112, 2146285), (122, 1970360), (124, 1938580), (140, 1717028), (155, 1550864), (217, 1107760), (227, 1058960), (244, 985180), (248, 969290), (280, 858514), (305, 788144), (310, 775432), (427, 562960), (434, 553880), (454, 529480), (488, 492590), (496, 484645), (560, 429257), (610, 394072), (620, 387716), (854, 281480), (868, 276940), (908, 264740), (976, 246295), (1085, 221552), (1135, 211792), (1220, 197036), (1240, 193858), (1589, 151280), (1708, 140740), (1736, 138470), (1816, 132370), (1891, 127120), (2135, 112592), (2170, 110776), (2270, 105896), (2440, 98518), (2480, 96929), (3178, 75640), (3416, 70370), (3472, 69235), (3632, 66185), (3782, 63560), (4270, 56296), (4340, 55388), (4540, 52948), (4880, 49259), (6356, 37820), (6832, 35185), (7037, 34160), (7564, 31780), (7945, 30256), (8540, 28148), (8680, 27694), (9080, 26474), (9455, 25424), (12712, 18910), (13237, 18160), (13847, 17360), (14074, 17080), (15128, 15890)]