128883720

素因数分解:

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

素因数の和:1004

約数の個数: 192

約数和(自身を含む): 469825920

約数和(自身を除く): 340942200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 245, 276, 280, 294, 322, 345, 392, 420, 460, 483, 490, 552, 588, 644, 690, 735, 805, 840, 920, 953, 966, 980, 1127, 1176, 1288, 1380, 1470, 1610, 1906, 1932, 1960, 2254, 2415, 2760, 2859, 2940, 3220, 3381, 3812, 3864, 4508, 4765, 4830, 5635, 5718, 5880, 6440, 6671, 6762, 7624, 9016, 9530, 9660, 11270, 11436, 13342, 13524, 14295, 16905, 19060, 19320, 20013, 21919, 22540, 22872, 26684, 27048, 28590, 33355, 33810, 38120, 40026, 43838, 45080, 46697, 53368, 57180, 65757, 66710, 67620, 80052, 87676, 93394, 100065, 109595, 114360, 131514, 133420, 135240, 140091, 153433, 160104, 175352, 186788, 200130, 219190, 233485, 263028, 266840, 280182, 306866, 328785, 373576, 400260, 438380, 460299, 466970, 526056, 560364, 613732, 657570, 700455, 767165, 800520, 876760, 920598, 933940, 1074031, 1120728, 1227464, 1315140, 1400910, 1534330, 1841196, 1867880, 2148062, 2301495, 2630280, 2801820, 3068660, 3222093, 3682392, 4296124, 4602990, 5370155, 5603640, 6137320, 6444186, 8592248, 9205980, 10740310, 12888372, 16110465, 18411960, 21480620, 25776744, 32220930, 42961240, 64441860, 128883720]

約数ペア:

[(1, 128883720), (2, 64441860), (3, 42961240), (4, 32220930), (5, 25776744), (6, 21480620), (7, 18411960), (8, 16110465), (10, 12888372), (12, 10740310), (14, 9205980), (15, 8592248), (20, 6444186), (21, 6137320), (23, 5603640), (24, 5370155), (28, 4602990), (30, 4296124), (35, 3682392), (40, 3222093), (42, 3068660), (46, 2801820), (49, 2630280), (56, 2301495), (60, 2148062), (69, 1867880), (70, 1841196), (84, 1534330), (92, 1400910), (98, 1315140), (105, 1227464), (115, 1120728), (120, 1074031), (138, 933940), (140, 920598), (147, 876760), (161, 800520), (168, 767165), (184, 700455), (196, 657570), (210, 613732), (230, 560364), (245, 526056), (276, 466970), (280, 460299), (294, 438380), (322, 400260), (345, 373576), (392, 328785), (420, 306866), (460, 280182), (483, 266840), (490, 263028), (552, 233485), (588, 219190), (644, 200130), (690, 186788), (735, 175352), (805, 160104), (840, 153433), (920, 140091), (953, 135240), (966, 133420), (980, 131514), (1127, 114360), (1176, 109595), (1288, 100065), (1380, 93394), (1470, 87676), (1610, 80052), (1906, 67620), (1932, 66710), (1960, 65757), (2254, 57180), (2415, 53368), (2760, 46697), (2859, 45080), (2940, 43838), (3220, 40026), (3381, 38120), (3812, 33810), (3864, 33355), (4508, 28590), (4765, 27048), (4830, 26684), (5635, 22872), (5718, 22540), (5880, 21919), (6440, 20013), (6671, 19320), (6762, 19060), (7624, 16905), (9016, 14295), (9530, 13524), (9660, 13342), (11270, 11436)]