2021918080

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:421

約数の個数: 256

約数和(自身を含む): 6014736000

約数和(自身を除く): 3992817920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 149, 160, 182, 208, 224, 233, 260, 280, 298, 320, 364, 416, 448, 455, 466, 520, 560, 596, 640, 728, 745, 832, 896, 910, 932, 1040, 1043, 1120, 1165, 1192, 1456, 1490, 1631, 1664, 1820, 1864, 1937, 2080, 2086, 2240, 2330, 2384, 2912, 2980, 3029, 3262, 3640, 3728, 3874, 4160, 4172, 4480, 4660, 4768, 5215, 5824, 5960, 6058, 6524, 7280, 7456, 7748, 8155, 8320, 8344, 9320, 9536, 9685, 10430, 11648, 11920, 12116, 13048, 13559, 14560, 14912, 15145, 15496, 16310, 16688, 18640, 19072, 19370, 20860, 21203, 23840, 24232, 26096, 27118, 29120, 29824, 30290, 30992, 32620, 33376, 34717, 37280, 38740, 41720, 42406, 47680, 48464, 52192, 54236, 58240, 60580, 61984, 65240, 66752, 67795, 69434, 74560, 77480, 83440, 84812, 95360, 96928, 104384, 106015, 108472, 121160, 123968, 130480, 133504, 135590, 138868, 149120, 154960, 166880, 169624, 173585, 193856, 208768, 212030, 216944, 242320, 243019, 247936, 260960, 271180, 277736, 309920, 333760, 339248, 347170, 387712, 424060, 433888, 451321, 484640, 486038, 521920, 542360, 555472, 619840, 667520, 678496, 694340, 848120, 867776, 902642, 969280, 972076, 1043840, 1084720, 1110944, 1215095, 1239680, 1356992, 1388680, 1696240, 1735552, 1805284, 1938560, 1944152, 2169440, 2221888, 2256605, 2430190, 2713984, 2777360, 3159247, 3392480, 3610568, 3888304, 4338880, 4443776, 4513210, 4860380, 5554720, 6318494, 6784960, 7221136, 7776608, 8677760, 9026420, 9720760, 11109440, 12636988, 13569920, 14442272, 15553216, 15796235, 18052840, 19441520, 22218880, 25273976, 28884544, 31106432, 31592470, 36105680, 38883040, 50547952, 57769088, 63184940, 72211360, 77766080, 101095904, 126369880, 144422720, 155532160, 202191808, 252739760, 288845440, 404383616, 505479520, 1010959040, 2021918080]

約数ペア:

[(1, 2021918080), (2, 1010959040), (4, 505479520), (5, 404383616), (7, 288845440), (8, 252739760), (10, 202191808), (13, 155532160), (14, 144422720), (16, 126369880), (20, 101095904), (26, 77766080), (28, 72211360), (32, 63184940), (35, 57769088), (40, 50547952), (52, 38883040), (56, 36105680), (64, 31592470), (65, 31106432), (70, 28884544), (80, 25273976), (91, 22218880), (104, 19441520), (112, 18052840), (128, 15796235), (130, 15553216), (140, 14442272), (149, 13569920), (160, 12636988), (182, 11109440), (208, 9720760), (224, 9026420), (233, 8677760), (260, 7776608), (280, 7221136), (298, 6784960), (320, 6318494), (364, 5554720), (416, 4860380), (448, 4513210), (455, 4443776), (466, 4338880), (520, 3888304), (560, 3610568), (596, 3392480), (640, 3159247), (728, 2777360), (745, 2713984), (832, 2430190), (896, 2256605), (910, 2221888), (932, 2169440), (1040, 1944152), (1043, 1938560), (1120, 1805284), (1165, 1735552), (1192, 1696240), (1456, 1388680), (1490, 1356992), (1631, 1239680), (1664, 1215095), (1820, 1110944), (1864, 1084720), (1937, 1043840), (2080, 972076), (2086, 969280), (2240, 902642), (2330, 867776), (2384, 848120), (2912, 694340), (2980, 678496), (3029, 667520), (3262, 619840), (3640, 555472), (3728, 542360), (3874, 521920), (4160, 486038), (4172, 484640), (4480, 451321), (4660, 433888), (4768, 424060), (5215, 387712), (5824, 347170), (5960, 339248), (6058, 333760), (6524, 309920), (7280, 277736), (7456, 271180), (7748, 260960), (8155, 247936), (8320, 243019), (8344, 242320), (9320, 216944), (9536, 212030), (9685, 208768), (10430, 193856), (11648, 173585), (11920, 169624), (12116, 166880), (13048, 154960), (13559, 149120), (14560, 138868), (14912, 135590), (15145, 133504), (15496, 130480), (16310, 123968), (16688, 121160), (18640, 108472), (19072, 106015), (19370, 104384), (20860, 96928), (21203, 95360), (23840, 84812), (24232, 83440), (26096, 77480), (27118, 74560), (29120, 69434), (29824, 67795), (30290, 66752), (30992, 65240), (32620, 61984), (33376, 60580), (34717, 58240), (37280, 54236), (38740, 52192), (41720, 48464), (42406, 47680)]