128647008

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 435456000

約数和(自身を除く): 306808992

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 89, 96, 108, 112, 126, 144, 168, 178, 189, 216, 224, 239, 252, 267, 288, 336, 356, 378, 432, 478, 504, 534, 623, 672, 712, 717, 756, 801, 864, 956, 1008, 1068, 1246, 1424, 1434, 1512, 1602, 1673, 1869, 1912, 2016, 2136, 2151, 2403, 2492, 2848, 2868, 3024, 3204, 3346, 3738, 3824, 4272, 4302, 4806, 4984, 5019, 5607, 5736, 6048, 6408, 6453, 6692, 7476, 7648, 8544, 8604, 9612, 9968, 10038, 11214, 11472, 12816, 12906, 13384, 14952, 15057, 16821, 17208, 19224, 19936, 20076, 21271, 22428, 22944, 25632, 25812, 26768, 29904, 30114, 33642, 34416, 38448, 40152, 42542, 44856, 45171, 51624, 53536, 59808, 60228, 63813, 67284, 68832, 76896, 80304, 85084, 89712, 90342, 103248, 120456, 127626, 134568, 148897, 160608, 170168, 179424, 180684, 191439, 206496, 240912, 255252, 269136, 297794, 340336, 361368, 382878, 446691, 481824, 510504, 538272, 574317, 595588, 680672, 722736, 765756, 893382, 1021008, 1148634, 1191176, 1340073, 1445472, 1531512, 1786764, 2042016, 2297268, 2382352, 2680146, 3063024, 3573528, 4020219, 4594536, 4764704, 5360292, 6126048, 7147056, 8040438, 9189072, 10720584, 14294112, 16080876, 18378144, 21441168, 32161752, 42882336, 64323504, 128647008]

約数ペア:

[(1, 128647008), (2, 64323504), (3, 42882336), (4, 32161752), (6, 21441168), (7, 18378144), (8, 16080876), (9, 14294112), (12, 10720584), (14, 9189072), (16, 8040438), (18, 7147056), (21, 6126048), (24, 5360292), (27, 4764704), (28, 4594536), (32, 4020219), (36, 3573528), (42, 3063024), (48, 2680146), (54, 2382352), (56, 2297268), (63, 2042016), (72, 1786764), (84, 1531512), (89, 1445472), (96, 1340073), (108, 1191176), (112, 1148634), (126, 1021008), (144, 893382), (168, 765756), (178, 722736), (189, 680672), (216, 595588), (224, 574317), (239, 538272), (252, 510504), (267, 481824), (288, 446691), (336, 382878), (356, 361368), (378, 340336), (432, 297794), (478, 269136), (504, 255252), (534, 240912), (623, 206496), (672, 191439), (712, 180684), (717, 179424), (756, 170168), (801, 160608), (864, 148897), (956, 134568), (1008, 127626), (1068, 120456), (1246, 103248), (1424, 90342), (1434, 89712), (1512, 85084), (1602, 80304), (1673, 76896), (1869, 68832), (1912, 67284), (2016, 63813), (2136, 60228), (2151, 59808), (2403, 53536), (2492, 51624), (2848, 45171), (2868, 44856), (3024, 42542), (3204, 40152), (3346, 38448), (3738, 34416), (3824, 33642), (4272, 30114), (4302, 29904), (4806, 26768), (4984, 25812), (5019, 25632), (5607, 22944), (5736, 22428), (6048, 21271), (6408, 20076), (6453, 19936), (6692, 19224), (7476, 17208), (7648, 16821), (8544, 15057), (8604, 14952), (9612, 13384), (9968, 12906), (10038, 12816), (11214, 11472)]