78138720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4933}}^1$

素因数の和:4965

約数の個数: 144

約数和(自身を含む): 290948112

約数和(自身を除く): 212809392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 4933, 5280, 7920, 9866, 14799, 15840, 19732, 24665, 29598, 39464, 44397, 49330, 54263, 59196, 73995, 78928, 88794, 98660, 108526, 118392, 147990, 157856, 162789, 177588, 197320, 217052, 221985, 236784, 271315, 295980, 325578, 355176, 394640, 434104, 443970, 473568, 488367, 542630, 591960, 651156, 710352, 789280, 813945, 868208, 887940, 976734, 1085260, 1183920, 1302312, 1420704, 1627890, 1736416, 1775880, 1953468, 2170520, 2367840, 2441835, 2604624, 3255780, 3551760, 3906936, 4341040, 4883670, 5209248, 6511560, 7103520, 7813872, 8682080, 9767340, 13023120, 15627744, 19534680, 26046240, 39069360, 78138720]

約数ペア:

[(1, 78138720), (2, 39069360), (3, 26046240), (4, 19534680), (5, 15627744), (6, 13023120), (8, 9767340), (9, 8682080), (10, 7813872), (11, 7103520), (12, 6511560), (15, 5209248), (16, 4883670), (18, 4341040), (20, 3906936), (22, 3551760), (24, 3255780), (30, 2604624), (32, 2441835), (33, 2367840), (36, 2170520), (40, 1953468), (44, 1775880), (45, 1736416), (48, 1627890), (55, 1420704), (60, 1302312), (66, 1183920), (72, 1085260), (80, 976734), (88, 887940), (90, 868208), (96, 813945), (99, 789280), (110, 710352), (120, 651156), (132, 591960), (144, 542630), (160, 488367), (165, 473568), (176, 443970), (180, 434104), (198, 394640), (220, 355176), (240, 325578), (264, 295980), (288, 271315), (330, 236784), (352, 221985), (360, 217052), (396, 197320), (440, 177588), (480, 162789), (495, 157856), (528, 147990), (660, 118392), (720, 108526), (792, 98660), (880, 88794), (990, 78928), (1056, 73995), (1320, 59196), (1440, 54263), (1584, 49330), (1760, 44397), (1980, 39464), (2640, 29598), (3168, 24665), (3960, 19732), (4933, 15840), (5280, 14799), (7920, 9866)]