20730240

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 73990800

約数和(自身を除く): 53260560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 61, 64, 72, 80, 90, 96, 118, 120, 122, 128, 144, 160, 177, 180, 183, 192, 236, 240, 244, 288, 295, 305, 320, 354, 360, 366, 384, 472, 480, 488, 531, 549, 576, 590, 610, 640, 708, 720, 732, 885, 915, 944, 960, 976, 1062, 1098, 1152, 1180, 1220, 1416, 1440, 1464, 1770, 1830, 1888, 1920, 1952, 2124, 2196, 2360, 2440, 2655, 2745, 2832, 2880, 2928, 3540, 3599, 3660, 3776, 3904, 4248, 4392, 4720, 4880, 5310, 5490, 5664, 5760, 5856, 7080, 7198, 7320, 7552, 7808, 8496, 8784, 9440, 9760, 10620, 10797, 10980, 11328, 11712, 14160, 14396, 14640, 16992, 17568, 17995, 18880, 19520, 21240, 21594, 21960, 22656, 23424, 28320, 28792, 29280, 32391, 33984, 35136, 35990, 37760, 39040, 42480, 43188, 43920, 53985, 56640, 57584, 58560, 64782, 67968, 70272, 71980, 84960, 86376, 87840, 107970, 113280, 115168, 117120, 129564, 143960, 161955, 169920, 172752, 175680, 215940, 230336, 259128, 287920, 323910, 339840, 345504, 351360, 431880, 460672, 518256, 575840, 647820, 691008, 863760, 1036512, 1151680, 1295640, 1382016, 1727520, 2073024, 2303360, 2591280, 3455040, 4146048, 5182560, 6910080, 10365120, 20730240]

約数ペア:

[(1, 20730240), (2, 10365120), (3, 6910080), (4, 5182560), (5, 4146048), (6, 3455040), (8, 2591280), (9, 2303360), (10, 2073024), (12, 1727520), (15, 1382016), (16, 1295640), (18, 1151680), (20, 1036512), (24, 863760), (30, 691008), (32, 647820), (36, 575840), (40, 518256), (45, 460672), (48, 431880), (59, 351360), (60, 345504), (61, 339840), (64, 323910), (72, 287920), (80, 259128), (90, 230336), (96, 215940), (118, 175680), (120, 172752), (122, 169920), (128, 161955), (144, 143960), (160, 129564), (177, 117120), (180, 115168), (183, 113280), (192, 107970), (236, 87840), (240, 86376), (244, 84960), (288, 71980), (295, 70272), (305, 67968), (320, 64782), (354, 58560), (360, 57584), (366, 56640), (384, 53985), (472, 43920), (480, 43188), (488, 42480), (531, 39040), (549, 37760), (576, 35990), (590, 35136), (610, 33984), (640, 32391), (708, 29280), (720, 28792), (732, 28320), (885, 23424), (915, 22656), (944, 21960), (960, 21594), (976, 21240), (1062, 19520), (1098, 18880), (1152, 17995), (1180, 17568), (1220, 16992), (1416, 14640), (1440, 14396), (1464, 14160), (1770, 11712), (1830, 11328), (1888, 10980), (1920, 10797), (1952, 10620), (2124, 9760), (2196, 9440), (2360, 8784), (2440, 8496), (2655, 7808), (2745, 7552), (2832, 7320), (2880, 7198), (2928, 7080), (3540, 5856), (3599, 5760), (3660, 5664), (3776, 5490), (3904, 5310), (4248, 4880), (4392, 4720)]