64441860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{953}}^1$

素因数の和:1002

約数の個数: 144

約数和(自身を含む): 219252096

約数和(自身を除く): 154810236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 953, 966, 980, 1127, 1380, 1470, 1610, 1906, 1932, 2254, 2415, 2859, 2940, 3220, 3381, 3812, 4508, 4765, 4830, 5635, 5718, 6671, 6762, 9530, 9660, 11270, 11436, 13342, 13524, 14295, 16905, 19060, 20013, 21919, 22540, 26684, 28590, 33355, 33810, 40026, 43838, 46697, 57180, 65757, 66710, 67620, 80052, 87676, 93394, 100065, 109595, 131514, 133420, 140091, 153433, 186788, 200130, 219190, 233485, 263028, 280182, 306866, 328785, 400260, 438380, 460299, 466970, 560364, 613732, 657570, 700455, 767165, 920598, 933940, 1074031, 1315140, 1400910, 1534330, 1841196, 2148062, 2301495, 2801820, 3068660, 3222093, 4296124, 4602990, 5370155, 6444186, 9205980, 10740310, 12888372, 16110465, 21480620, 32220930, 64441860]

約数ペア:

[(1, 64441860), (2, 32220930), (3, 21480620), (4, 16110465), (5, 12888372), (6, 10740310), (7, 9205980), (10, 6444186), (12, 5370155), (14, 4602990), (15, 4296124), (20, 3222093), (21, 3068660), (23, 2801820), (28, 2301495), (30, 2148062), (35, 1841196), (42, 1534330), (46, 1400910), (49, 1315140), (60, 1074031), (69, 933940), (70, 920598), (84, 767165), (92, 700455), (98, 657570), (105, 613732), (115, 560364), (138, 466970), (140, 460299), (147, 438380), (161, 400260), (196, 328785), (210, 306866), (230, 280182), (245, 263028), (276, 233485), (294, 219190), (322, 200130), (345, 186788), (420, 153433), (460, 140091), (483, 133420), (490, 131514), (588, 109595), (644, 100065), (690, 93394), (735, 87676), (805, 80052), (953, 67620), (966, 66710), (980, 65757), (1127, 57180), (1380, 46697), (1470, 43838), (1610, 40026), (1906, 33810), (1932, 33355), (2254, 28590), (2415, 26684), (2859, 22540), (2940, 21919), (3220, 20013), (3381, 19060), (3812, 16905), (4508, 14295), (4765, 13524), (4830, 13342), (5635, 11436), (5718, 11270), (6671, 9660), (6762, 9530)]