1638997920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{587}}^1$

素因数の和:892

約数の個数: 288

約数和(自身を含む): 6426096768

約数和(自身を除く): 4787098848

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 277, 280, 288, 315, 336, 360, 420, 480, 504, 554, 560, 587, 630, 672, 720, 831, 840, 1008, 1108, 1120, 1174, 1260, 1385, 1440, 1662, 1680, 1761, 1939, 2016, 2216, 2348, 2493, 2520, 2770, 2935, 3324, 3360, 3522, 3878, 4109, 4155, 4432, 4696, 4986, 5040, 5283, 5540, 5817, 5870, 6648, 7044, 7756, 8218, 8310, 8805, 8864, 9392, 9695, 9972, 10080, 10566, 11080, 11634, 11740, 12327, 12465, 13296, 14088, 15512, 16436, 16620, 17451, 17610, 18784, 19390, 19944, 20545, 21132, 22160, 23268, 23480, 24654, 24930, 26415, 26592, 28176, 29085, 31024, 32872, 33240, 34902, 35220, 36981, 38780, 39888, 41090, 42264, 44320, 46536, 46960, 49308, 49860, 52830, 56352, 58170, 61635, 62048, 65744, 66480, 69804, 70440, 73962, 77560, 79776, 82180, 84528, 87255, 93072, 93920, 98616, 99720, 105660, 116340, 123270, 131488, 132960, 139608, 140880, 147924, 155120, 162599, 164360, 169056, 174510, 184905, 186144, 197232, 199440, 211320, 232680, 246540, 279216, 281760, 295848, 310240, 325198, 328720, 349020, 369810, 394464, 398880, 422640, 465360, 487797, 493080, 558432, 591696, 650396, 657440, 698040, 739620, 812995, 845280, 930720, 975594, 986160, 1138193, 1183392, 1300792, 1396080, 1463391, 1479240, 1625990, 1951188, 1972320, 2276386, 2438985, 2601584, 2792160, 2926782, 2958480, 3251980, 3414579, 3902376, 4552772, 4877970, 5203168, 5690965, 5853564, 5916960, 6503960, 6829158, 7316955, 7804752, 9105544, 9755940, 10243737, 11381930, 11707128, 13007920, 13658316, 14633910, 15609504, 17072895, 18211088, 19511880, 20487474, 22763860, 23414256, 26015840, 27316632, 29267820, 34145790, 36422176, 39023760, 40974948, 45527720, 46828512, 51218685, 54633264, 58535640, 68291580, 78047520, 81949896, 91055440, 102437370, 109266528, 117071280, 136583160, 163899792, 182110880, 204874740, 234142560, 273166320, 327799584, 409749480, 546332640, 819498960, 1638997920]

約数ペア:

[(1, 1638997920), (2, 819498960), (3, 546332640), (4, 409749480), (5, 327799584), (6, 273166320), (7, 234142560), (8, 204874740), (9, 182110880), (10, 163899792), (12, 136583160), (14, 117071280), (15, 109266528), (16, 102437370), (18, 91055440), (20, 81949896), (21, 78047520), (24, 68291580), (28, 58535640), (30, 54633264), (32, 51218685), (35, 46828512), (36, 45527720), (40, 40974948), (42, 39023760), (45, 36422176), (48, 34145790), (56, 29267820), (60, 27316632), (63, 26015840), (70, 23414256), (72, 22763860), (80, 20487474), (84, 19511880), (90, 18211088), (96, 17072895), (105, 15609504), (112, 14633910), (120, 13658316), (126, 13007920), (140, 11707128), (144, 11381930), (160, 10243737), (168, 9755940), (180, 9105544), (210, 7804752), (224, 7316955), (240, 6829158), (252, 6503960), (277, 5916960), (280, 5853564), (288, 5690965), (315, 5203168), (336, 4877970), (360, 4552772), (420, 3902376), (480, 3414579), (504, 3251980), (554, 2958480), (560, 2926782), (587, 2792160), (630, 2601584), (672, 2438985), (720, 2276386), (831, 1972320), (840, 1951188), (1008, 1625990), (1108, 1479240), (1120, 1463391), (1174, 1396080), (1260, 1300792), (1385, 1183392), (1440, 1138193), (1662, 986160), (1680, 975594), (1761, 930720), (1939, 845280), (2016, 812995), (2216, 739620), (2348, 698040), (2493, 657440), (2520, 650396), (2770, 591696), (2935, 558432), (3324, 493080), (3360, 487797), (3522, 465360), (3878, 422640), (4109, 398880), (4155, 394464), (4432, 369810), (4696, 349020), (4986, 328720), (5040, 325198), (5283, 310240), (5540, 295848), (5817, 281760), (5870, 279216), (6648, 246540), (7044, 232680), (7756, 211320), (8218, 199440), (8310, 197232), (8805, 186144), (8864, 184905), (9392, 174510), (9695, 169056), (9972, 164360), (10080, 162599), (10566, 155120), (11080, 147924), (11634, 140880), (11740, 139608), (12327, 132960), (12465, 131488), (13296, 123270), (14088, 116340), (15512, 105660), (16436, 99720), (16620, 98616), (17451, 93920), (17610, 93072), (18784, 87255), (19390, 84528), (19944, 82180), (20545, 79776), (21132, 77560), (22160, 73962), (23268, 70440), (23480, 69804), (24654, 66480), (24930, 65744), (26415, 62048), (26592, 61635), (28176, 58170), (29085, 56352), (31024, 52830), (32872, 49860), (33240, 49308), (34902, 46960), (35220, 46536), (36981, 44320), (38780, 42264), (39888, 41090)]