20178699240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:1112

約数の個数: 256

約数和(自身を含む): 70044549120

約数和(自身を除く): 49865849880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 173, 191, 210, 280, 346, 382, 420, 519, 573, 692, 727, 764, 840, 865, 955, 1038, 1146, 1211, 1337, 1384, 1454, 1528, 1730, 1910, 2076, 2181, 2292, 2422, 2595, 2674, 2865, 2908, 3460, 3633, 3635, 3820, 4011, 4152, 4362, 4584, 4844, 5089, 5190, 5348, 5730, 5816, 6055, 6685, 6920, 7266, 7270, 7640, 8022, 8724, 9688, 10178, 10380, 10696, 10905, 11460, 12110, 13370, 14532, 14540, 15267, 16044, 17448, 18165, 20055, 20356, 20760, 21810, 22920, 24220, 25445, 26740, 29064, 29080, 30534, 32088, 33043, 36330, 40110, 40712, 43620, 48440, 50890, 53480, 61068, 66086, 72660, 76335, 80220, 87240, 99129, 101780, 122136, 125771, 132172, 138857, 145320, 152670, 160440, 165215, 198258, 203560, 231301, 251542, 264344, 277714, 305340, 330430, 377313, 396516, 416571, 462602, 495645, 503084, 555428, 610680, 628855, 660860, 693903, 694285, 754626, 793032, 833142, 880397, 925204, 971999, 991290, 1006168, 1110856, 1156505, 1257710, 1321720, 1387806, 1388570, 1509252, 1666284, 1760794, 1850408, 1886565, 1943998, 1982580, 2082855, 2313010, 2515420, 2641191, 2775612, 2777140, 2915997, 3018504, 3332568, 3469515, 3521588, 3773130, 3887996, 3965160, 4165710, 4401985, 4626020, 4859995, 5030840, 5282382, 5551224, 5554280, 5831994, 6939030, 7043176, 7546260, 7775992, 8331420, 8803970, 9252040, 9719990, 10564764, 11663988, 13205955, 13878060, 14579985, 15092520, 16662840, 17607940, 19439980, 21129528, 23327976, 24022261, 26411910, 27756120, 29159970, 35215880, 38879960, 48044522, 52823820, 58319940, 72066783, 96089044, 105647640, 116639880, 120111305, 144133566, 168155827, 192178088, 240222610, 288267132, 336311654, 360333915, 480445220, 504467481, 576534264, 672623308, 720667830, 840779135, 960890440, 1008934962, 1345246616, 1441335660, 1681558270, 2017869924, 2522337405, 2882671320, 3363116540, 4035739848, 5044674810, 6726233080, 10089349620, 20178699240]

約数ペア:

[(1, 20178699240), (2, 10089349620), (3, 6726233080), (4, 5044674810), (5, 4035739848), (6, 3363116540), (7, 2882671320), (8, 2522337405), (10, 2017869924), (12, 1681558270), (14, 1441335660), (15, 1345246616), (20, 1008934962), (21, 960890440), (24, 840779135), (28, 720667830), (30, 672623308), (35, 576534264), (40, 504467481), (42, 480445220), (56, 360333915), (60, 336311654), (70, 288267132), (84, 240222610), (105, 192178088), (120, 168155827), (140, 144133566), (168, 120111305), (173, 116639880), (191, 105647640), (210, 96089044), (280, 72066783), (346, 58319940), (382, 52823820), (420, 48044522), (519, 38879960), (573, 35215880), (692, 29159970), (727, 27756120), (764, 26411910), (840, 24022261), (865, 23327976), (955, 21129528), (1038, 19439980), (1146, 17607940), (1211, 16662840), (1337, 15092520), (1384, 14579985), (1454, 13878060), (1528, 13205955), (1730, 11663988), (1910, 10564764), (2076, 9719990), (2181, 9252040), (2292, 8803970), (2422, 8331420), (2595, 7775992), (2674, 7546260), (2865, 7043176), (2908, 6939030), (3460, 5831994), (3633, 5554280), (3635, 5551224), (3820, 5282382), (4011, 5030840), (4152, 4859995), (4362, 4626020), (4584, 4401985), (4844, 4165710), (5089, 3965160), (5190, 3887996), (5348, 3773130), (5730, 3521588), (5816, 3469515), (6055, 3332568), (6685, 3018504), (6920, 2915997), (7266, 2777140), (7270, 2775612), (7640, 2641191), (8022, 2515420), (8724, 2313010), (9688, 2082855), (10178, 1982580), (10380, 1943998), (10696, 1886565), (10905, 1850408), (11460, 1760794), (12110, 1666284), (13370, 1509252), (14532, 1388570), (14540, 1387806), (15267, 1321720), (16044, 1257710), (17448, 1156505), (18165, 1110856), (20055, 1006168), (20356, 991290), (20760, 971999), (21810, 925204), (22920, 880397), (24220, 833142), (25445, 793032), (26740, 754626), (29064, 694285), (29080, 693903), (30534, 660860), (32088, 628855), (33043, 610680), (36330, 555428), (40110, 503084), (40712, 495645), (43620, 462602), (48440, 416571), (50890, 396516), (53480, 377313), (61068, 330430), (66086, 305340), (72660, 277714), (76335, 264344), (80220, 251542), (87240, 231301), (99129, 203560), (101780, 198258), (122136, 165215), (125771, 160440), (132172, 152670), (138857, 145320)]