28770560

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:73

約数の個数: 216

約数和(自身を含む): 89772480

約数和(自身を除く): 61001920

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, 128, 130, 133, 140, 152, 160, 169, 182, 190, 208, 224, 247, 256, 260, 266, 280, 304, 320, 338, 364, 380, 416, 448, 455, 494, 520, 532, 560, 608, 640, 665, 676, 728, 760, 832, 845, 896, 910, 988, 1040, 1064, 1120, 1183, 1216, 1235, 1280, 1330, 1352, 1456, 1520, 1664, 1690, 1729, 1792, 1820, 1976, 2080, 2128, 2240, 2366, 2432, 2470, 2660, 2704, 2912, 3040, 3211, 3328, 3380, 3458, 3640, 3952, 4160, 4256, 4480, 4732, 4864, 4940, 5320, 5408, 5824, 5915, 6080, 6422, 6760, 6916, 7280, 7904, 8320, 8512, 8645, 8960, 9464, 9880, 10640, 10816, 11648, 11830, 12160, 12844, 13520, 13832, 14560, 15808, 16055, 16640, 17024, 17290, 18928, 19760, 21280, 21632, 22477, 23296, 23660, 24320, 25688, 27040, 27664, 29120, 31616, 32110, 34048, 34580, 37856, 39520, 42560, 43264, 44954, 47320, 51376, 54080, 55328, 58240, 63232, 64220, 69160, 75712, 79040, 85120, 89908, 94640, 102752, 108160, 110656, 112385, 116480, 128440, 138320, 151424, 158080, 170240, 179816, 189280, 205504, 216320, 221312, 224770, 256880, 276640, 302848, 316160, 359632, 378560, 411008, 442624, 449540, 513760, 553280, 719264, 757120, 822016, 899080, 1027520, 1106560, 1438528, 1514240, 1798160, 2055040, 2213120, 2877056, 3596320, 4110080, 5754112, 7192640, 14385280, 28770560]

約数ペア:

[(1, 28770560), (2, 14385280), (4, 7192640), (5, 5754112), (7, 4110080), (8, 3596320), (10, 2877056), (13, 2213120), (14, 2055040), (16, 1798160), (19, 1514240), (20, 1438528), (26, 1106560), (28, 1027520), (32, 899080), (35, 822016), (38, 757120), (40, 719264), (52, 553280), (56, 513760), (64, 449540), (65, 442624), (70, 411008), (76, 378560), (80, 359632), (91, 316160), (95, 302848), (104, 276640), (112, 256880), (128, 224770), (130, 221312), (133, 216320), (140, 205504), (152, 189280), (160, 179816), (169, 170240), (182, 158080), (190, 151424), (208, 138320), (224, 128440), (247, 116480), (256, 112385), (260, 110656), (266, 108160), (280, 102752), (304, 94640), (320, 89908), (338, 85120), (364, 79040), (380, 75712), (416, 69160), (448, 64220), (455, 63232), (494, 58240), (520, 55328), (532, 54080), (560, 51376), (608, 47320), (640, 44954), (665, 43264), (676, 42560), (728, 39520), (760, 37856), (832, 34580), (845, 34048), (896, 32110), (910, 31616), (988, 29120), (1040, 27664), (1064, 27040), (1120, 25688), (1183, 24320), (1216, 23660), (1235, 23296), (1280, 22477), (1330, 21632), (1352, 21280), (1456, 19760), (1520, 18928), (1664, 17290), (1690, 17024), (1729, 16640), (1792, 16055), (1820, 15808), (1976, 14560), (2080, 13832), (2128, 13520), (2240, 12844), (2366, 12160), (2432, 11830), (2470, 11648), (2660, 10816), (2704, 10640), (2912, 9880), (3040, 9464), (3211, 8960), (3328, 8645), (3380, 8512), (3458, 8320), (3640, 7904), (3952, 7280), (4160, 6916), (4256, 6760), (4480, 6422), (4732, 6080), (4864, 5915), (4940, 5824), (5320, 5408)]