21863322880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{78713}}^1$

素因数の和:78772

約数の個数: 144

約数和(自身を含む): 61782303744

約数和(自身を除く): 39918980864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1280, 1736, 1792, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 7936, 8680, 8960, 9920, 13888, 17360, 19840, 27776, 34720, 39680, 55552, 69440, 78713, 138880, 157426, 277760, 314852, 393565, 550991, 629704, 787130, 1101982, 1259408, 1574260, 2203964, 2440103, 2518816, 2754955, 3148520, 4407928, 4880206, 5037632, 5509910, 6297040, 8815856, 9760412, 10075264, 11019820, 12200515, 12594080, 17080721, 17631712, 19520824, 20150528, 22039640, 24401030, 25188160, 34161442, 35263424, 39041648, 44079280, 48802060, 50376320, 68322884, 70526848, 78083296, 85403605, 88158560, 97604120, 100752640, 136645768, 141053696, 156166592, 170807210, 176317120, 195208240, 273291536, 312333184, 341614420, 352634240, 390416480, 546583072, 624666368, 683228840, 705268480, 780832960, 1093166144, 1366457680, 1561665920, 2186332288, 2732915360, 3123331840, 4372664576, 5465830720, 10931661440, 21863322880]

約数ペア:

[(1, 21863322880), (2, 10931661440), (4, 5465830720), (5, 4372664576), (7, 3123331840), (8, 2732915360), (10, 2186332288), (14, 1561665920), (16, 1366457680), (20, 1093166144), (28, 780832960), (31, 705268480), (32, 683228840), (35, 624666368), (40, 546583072), (56, 390416480), (62, 352634240), (64, 341614420), (70, 312333184), (80, 273291536), (112, 195208240), (124, 176317120), (128, 170807210), (140, 156166592), (155, 141053696), (160, 136645768), (217, 100752640), (224, 97604120), (248, 88158560), (256, 85403605), (280, 78083296), (310, 70526848), (320, 68322884), (434, 50376320), (448, 48802060), (496, 44079280), (560, 39041648), (620, 35263424), (640, 34161442), (868, 25188160), (896, 24401030), (992, 22039640), (1085, 20150528), (1120, 19520824), (1240, 17631712), (1280, 17080721), (1736, 12594080), (1792, 12200515), (1984, 11019820), (2170, 10075264), (2240, 9760412), (2480, 8815856), (3472, 6297040), (3968, 5509910), (4340, 5037632), (4480, 4880206), (4960, 4407928), (6944, 3148520), (7936, 2754955), (8680, 2518816), (8960, 2440103), (9920, 2203964), (13888, 1574260), (17360, 1259408), (19840, 1101982), (27776, 787130), (34720, 629704), (39680, 550991), (55552, 393565), (69440, 314852), (78713, 277760), (138880, 157426)]