320998680

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:363

約数の個数: 256

約数和(自身を含む): 1140912000

約数和(自身を除く): 819913320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 37, 40, 45, 54, 58, 60, 72, 74, 87, 90, 108, 111, 116, 120, 135, 145, 148, 174, 180, 185, 216, 222, 232, 261, 270, 277, 290, 296, 333, 348, 360, 370, 435, 444, 522, 540, 554, 555, 580, 666, 696, 740, 783, 831, 870, 888, 999, 1044, 1073, 1080, 1108, 1110, 1160, 1305, 1332, 1385, 1480, 1566, 1662, 1665, 1740, 1998, 2088, 2146, 2216, 2220, 2493, 2610, 2664, 2770, 3132, 3219, 3324, 3330, 3480, 3915, 3996, 4155, 4292, 4440, 4986, 4995, 5220, 5365, 5540, 6264, 6438, 6648, 6660, 7479, 7830, 7992, 8033, 8310, 8584, 9657, 9972, 9990, 10249, 10440, 10730, 11080, 12465, 12876, 13320, 14958, 15660, 16066, 16095, 16620, 19314, 19944, 19980, 20498, 21460, 24099, 24930, 25752, 28971, 29916, 30747, 31320, 32132, 32190, 33240, 37395, 38628, 39960, 40165, 40996, 42920, 48198, 48285, 49860, 51245, 57942, 59832, 61494, 64264, 64380, 72297, 74790, 77256, 80330, 81992, 92241, 96396, 96570, 99720, 102490, 115884, 120495, 122988, 128760, 144594, 144855, 149580, 153735, 160660, 184482, 192792, 193140, 204980, 216891, 231768, 240990, 245976, 276723, 289188, 289710, 297221, 299160, 307470, 321320, 361485, 368964, 386280, 409960, 433782, 461205, 481980, 553446, 578376, 579420, 594442, 614940, 722970, 737928, 867564, 891663, 922410, 963960, 1084455, 1106892, 1158840, 1188884, 1229880, 1383615, 1445940, 1486105, 1735128, 1783326, 1844820, 2168910, 2213784, 2377768, 2674989, 2767230, 2891880, 2972210, 3566652, 3689640, 4337820, 4458315, 5349978, 5534460, 5944420, 7133304, 8024967, 8675640, 8916630, 10699956, 11068920, 11888840, 13374945, 16049934, 17833260, 21399912, 26749890, 32099868, 35666520, 40124835, 53499780, 64199736, 80249670, 106999560, 160499340, 320998680]

約数ペア:

[(1, 320998680), (2, 160499340), (3, 106999560), (4, 80249670), (5, 64199736), (6, 53499780), (8, 40124835), (9, 35666520), (10, 32099868), (12, 26749890), (15, 21399912), (18, 17833260), (20, 16049934), (24, 13374945), (27, 11888840), (29, 11068920), (30, 10699956), (36, 8916630), (37, 8675640), (40, 8024967), (45, 7133304), (54, 5944420), (58, 5534460), (60, 5349978), (72, 4458315), (74, 4337820), (87, 3689640), (90, 3566652), (108, 2972210), (111, 2891880), (116, 2767230), (120, 2674989), (135, 2377768), (145, 2213784), (148, 2168910), (174, 1844820), (180, 1783326), (185, 1735128), (216, 1486105), (222, 1445940), (232, 1383615), (261, 1229880), (270, 1188884), (277, 1158840), (290, 1106892), (296, 1084455), (333, 963960), (348, 922410), (360, 891663), (370, 867564), (435, 737928), (444, 722970), (522, 614940), (540, 594442), (554, 579420), (555, 578376), (580, 553446), (666, 481980), (696, 461205), (740, 433782), (783, 409960), (831, 386280), (870, 368964), (888, 361485), (999, 321320), (1044, 307470), (1073, 299160), (1080, 297221), (1108, 289710), (1110, 289188), (1160, 276723), (1305, 245976), (1332, 240990), (1385, 231768), (1480, 216891), (1566, 204980), (1662, 193140), (1665, 192792), (1740, 184482), (1998, 160660), (2088, 153735), (2146, 149580), (2216, 144855), (2220, 144594), (2493, 128760), (2610, 122988), (2664, 120495), (2770, 115884), (3132, 102490), (3219, 99720), (3324, 96570), (3330, 96396), (3480, 92241), (3915, 81992), (3996, 80330), (4155, 77256), (4292, 74790), (4440, 72297), (4986, 64380), (4995, 64264), (5220, 61494), (5365, 59832), (5540, 57942), (6264, 51245), (6438, 49860), (6648, 48285), (6660, 48198), (7479, 42920), (7830, 40996), (7992, 40165), (8033, 39960), (8310, 38628), (8584, 37395), (9657, 33240), (9972, 32190), (9990, 32132), (10249, 31320), (10440, 30747), (10730, 29916), (11080, 28971), (12465, 25752), (12876, 24930), (13320, 24099), (14958, 21460), (15660, 20498), (16066, 19980), (16095, 19944), (16620, 19314)]