128914240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:289

約数の個数: 224

約数和(自身を含む): 399409920

約数和(自身を除く): 270495680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 160, 182, 190, 208, 224, 233, 247, 260, 266, 280, 304, 320, 364, 380, 416, 448, 455, 466, 494, 520, 532, 560, 608, 665, 728, 760, 832, 910, 932, 988, 1040, 1064, 1120, 1165, 1216, 1235, 1330, 1456, 1520, 1631, 1729, 1820, 1864, 1976, 2080, 2128, 2240, 2330, 2470, 2660, 2912, 3029, 3040, 3262, 3458, 3640, 3728, 3952, 4160, 4256, 4427, 4660, 4940, 5320, 5824, 6058, 6080, 6524, 6916, 7280, 7456, 7904, 8155, 8512, 8645, 8854, 9320, 9880, 10640, 12116, 13048, 13832, 14560, 14912, 15145, 15808, 16310, 17290, 17708, 18640, 19760, 21203, 21280, 22135, 24232, 26096, 27664, 29120, 30290, 30989, 32620, 34580, 35416, 37280, 39520, 42406, 42560, 44270, 48464, 52192, 55328, 57551, 60580, 61978, 65240, 69160, 70832, 74560, 79040, 84812, 88540, 96928, 104384, 106015, 110656, 115102, 121160, 123956, 130480, 138320, 141664, 154945, 169624, 177080, 193856, 212030, 230204, 242320, 247912, 260960, 276640, 283328, 287755, 309890, 339248, 354160, 402857, 424060, 460408, 484640, 495824, 521920, 553280, 575510, 619780, 678496, 708320, 805714, 848120, 920816, 969280, 991648, 1151020, 1239560, 1356992, 1416640, 1611428, 1696240, 1841632, 1983296, 2014285, 2302040, 2479120, 3222856, 3392480, 3683264, 4028570, 4604080, 4958240, 6445712, 6784960, 8057140, 9208160, 9916480, 12891424, 16114280, 18416320, 25782848, 32228560, 64457120, 128914240]

約数ペア:

[(1, 128914240), (2, 64457120), (4, 32228560), (5, 25782848), (7, 18416320), (8, 16114280), (10, 12891424), (13, 9916480), (14, 9208160), (16, 8057140), (19, 6784960), (20, 6445712), (26, 4958240), (28, 4604080), (32, 4028570), (35, 3683264), (38, 3392480), (40, 3222856), (52, 2479120), (56, 2302040), (64, 2014285), (65, 1983296), (70, 1841632), (76, 1696240), (80, 1611428), (91, 1416640), (95, 1356992), (104, 1239560), (112, 1151020), (130, 991648), (133, 969280), (140, 920816), (152, 848120), (160, 805714), (182, 708320), (190, 678496), (208, 619780), (224, 575510), (233, 553280), (247, 521920), (260, 495824), (266, 484640), (280, 460408), (304, 424060), (320, 402857), (364, 354160), (380, 339248), (416, 309890), (448, 287755), (455, 283328), (466, 276640), (494, 260960), (520, 247912), (532, 242320), (560, 230204), (608, 212030), (665, 193856), (728, 177080), (760, 169624), (832, 154945), (910, 141664), (932, 138320), (988, 130480), (1040, 123956), (1064, 121160), (1120, 115102), (1165, 110656), (1216, 106015), (1235, 104384), (1330, 96928), (1456, 88540), (1520, 84812), (1631, 79040), (1729, 74560), (1820, 70832), (1864, 69160), (1976, 65240), (2080, 61978), (2128, 60580), (2240, 57551), (2330, 55328), (2470, 52192), (2660, 48464), (2912, 44270), (3029, 42560), (3040, 42406), (3262, 39520), (3458, 37280), (3640, 35416), (3728, 34580), (3952, 32620), (4160, 30989), (4256, 30290), (4427, 29120), (4660, 27664), (4940, 26096), (5320, 24232), (5824, 22135), (6058, 21280), (6080, 21203), (6524, 19760), (6916, 18640), (7280, 17708), (7456, 17290), (7904, 16310), (8155, 15808), (8512, 15145), (8645, 14912), (8854, 14560), (9320, 13832), (9880, 13048), (10640, 12116)]