129121720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 128

約数和(自身を含む): 376588800

約数和(自身を除く): 247467080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1867, 1976, 2470, 2660, 3458, 3640, 3734, 4940, 5320, 6916, 7468, 8645, 9335, 9880, 13069, 13832, 14936, 17290, 18670, 24271, 26138, 34580, 35473, 37340, 48542, 52276, 65345, 69160, 70946, 74680, 97084, 104552, 121355, 130690, 141892, 169897, 177365, 194168, 242710, 248311, 261380, 283784, 339794, 354730, 461149, 485420, 496622, 522760, 679588, 709460, 849485, 922298, 970840, 993244, 1241555, 1359176, 1418920, 1698970, 1844596, 1986488, 2305745, 2483110, 3228043, 3397940, 3689192, 4611490, 4966220, 6456086, 6795880, 9222980, 9932440, 12912172, 16140215, 18445960, 25824344, 32280430, 64560860, 129121720]

約数ペア:

[(1, 129121720), (2, 64560860), (4, 32280430), (5, 25824344), (7, 18445960), (8, 16140215), (10, 12912172), (13, 9932440), (14, 9222980), (19, 6795880), (20, 6456086), (26, 4966220), (28, 4611490), (35, 3689192), (38, 3397940), (40, 3228043), (52, 2483110), (56, 2305745), (65, 1986488), (70, 1844596), (76, 1698970), (91, 1418920), (95, 1359176), (104, 1241555), (130, 993244), (133, 970840), (140, 922298), (152, 849485), (182, 709460), (190, 679588), (247, 522760), (260, 496622), (266, 485420), (280, 461149), (364, 354730), (380, 339794), (455, 283784), (494, 261380), (520, 248311), (532, 242710), (665, 194168), (728, 177365), (760, 169897), (910, 141892), (988, 130690), (1064, 121355), (1235, 104552), (1330, 97084), (1729, 74680), (1820, 70946), (1867, 69160), (1976, 65345), (2470, 52276), (2660, 48542), (3458, 37340), (3640, 35473), (3734, 34580), (4940, 26138), (5320, 24271), (6916, 18670), (7468, 17290), (8645, 14936), (9335, 13832), (9880, 13069)]