991722240

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2777}}^1$

素因数の和:2835

約数の個数: 216

約数和(自身を含む): 3543216768

約数和(自身を除く): 2551494528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 128, 144, 155, 160, 180, 186, 192, 240, 248, 256, 279, 288, 310, 320, 360, 372, 384, 465, 480, 496, 558, 576, 620, 640, 720, 744, 768, 930, 960, 992, 1116, 1152, 1240, 1280, 1395, 1440, 1488, 1860, 1920, 1984, 2232, 2304, 2480, 2777, 2790, 2880, 2976, 3720, 3840, 3968, 4464, 4960, 5554, 5580, 5760, 5952, 7440, 7936, 8331, 8928, 9920, 11108, 11160, 11520, 11904, 13885, 14880, 16662, 17856, 19840, 22216, 22320, 23808, 24993, 27770, 29760, 33324, 35712, 39680, 41655, 44432, 44640, 49986, 55540, 59520, 66648, 71424, 83310, 86087, 88864, 89280, 99972, 111080, 119040, 124965, 133296, 166620, 172174, 177728, 178560, 199944, 222160, 249930, 258261, 266592, 333240, 344348, 355456, 357120, 399888, 430435, 444320, 499860, 516522, 533184, 666480, 688696, 710912, 774783, 799776, 860870, 888640, 999720, 1033044, 1066368, 1291305, 1332960, 1377392, 1549566, 1599552, 1721740, 1777280, 1999440, 2066088, 2132736, 2582610, 2665920, 2754784, 3099132, 3199104, 3443480, 3554560, 3873915, 3998880, 4132176, 5165220, 5331840, 5509568, 6198264, 6398208, 6886960, 7747830, 7997760, 8264352, 10330440, 10663680, 11019136, 12396528, 13773920, 15495660, 15995520, 16528704, 20660880, 22038272, 24793056, 27547840, 30991320, 31991040, 33057408, 41321760, 49586112, 55095680, 61982640, 66114816, 82643520, 99172224, 110191360, 123965280, 165287040, 198344448, 247930560, 330574080, 495861120, 991722240]

約数ペア:

[(1, 991722240), (2, 495861120), (3, 330574080), (4, 247930560), (5, 198344448), (6, 165287040), (8, 123965280), (9, 110191360), (10, 99172224), (12, 82643520), (15, 66114816), (16, 61982640), (18, 55095680), (20, 49586112), (24, 41321760), (30, 33057408), (31, 31991040), (32, 30991320), (36, 27547840), (40, 24793056), (45, 22038272), (48, 20660880), (60, 16528704), (62, 15995520), (64, 15495660), (72, 13773920), (80, 12396528), (90, 11019136), (93, 10663680), (96, 10330440), (120, 8264352), (124, 7997760), (128, 7747830), (144, 6886960), (155, 6398208), (160, 6198264), (180, 5509568), (186, 5331840), (192, 5165220), (240, 4132176), (248, 3998880), (256, 3873915), (279, 3554560), (288, 3443480), (310, 3199104), (320, 3099132), (360, 2754784), (372, 2665920), (384, 2582610), (465, 2132736), (480, 2066088), (496, 1999440), (558, 1777280), (576, 1721740), (620, 1599552), (640, 1549566), (720, 1377392), (744, 1332960), (768, 1291305), (930, 1066368), (960, 1033044), (992, 999720), (1116, 888640), (1152, 860870), (1240, 799776), (1280, 774783), (1395, 710912), (1440, 688696), (1488, 666480), (1860, 533184), (1920, 516522), (1984, 499860), (2232, 444320), (2304, 430435), (2480, 399888), (2777, 357120), (2790, 355456), (2880, 344348), (2976, 333240), (3720, 266592), (3840, 258261), (3968, 249930), (4464, 222160), (4960, 199944), (5554, 178560), (5580, 177728), (5760, 172174), (5952, 166620), (7440, 133296), (7936, 124965), (8331, 119040), (8928, 111080), (9920, 99972), (11108, 89280), (11160, 88864), (11520, 86087), (11904, 83310), (13885, 71424), (14880, 66648), (16662, 59520), (17856, 55540), (19840, 49986), (22216, 44640), (22320, 44432), (23808, 41655), (24993, 39680), (27770, 35712), (29760, 33324)]