265047440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7759}}^1$

素因数の和:7840

約数の個数: 80

約数和(自身を含む): 715906560

約数和(自身を除く): 450859120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 4270, 4880, 6832, 7759, 8540, 15518, 17080, 31036, 34160, 38795, 54313, 62072, 77590, 108626, 124144, 155180, 217252, 271565, 310360, 434504, 473299, 543130, 620720, 869008, 946598, 1086260, 1893196, 2172520, 2366495, 3313093, 3786392, 4345040, 4732990, 6626186, 7572784, 9465980, 13252372, 16565465, 18931960, 26504744, 33130930, 37863920, 53009488, 66261860, 132523720, 265047440]

約数ペア:

[(1, 265047440), (2, 132523720), (4, 66261860), (5, 53009488), (7, 37863920), (8, 33130930), (10, 26504744), (14, 18931960), (16, 16565465), (20, 13252372), (28, 9465980), (35, 7572784), (40, 6626186), (56, 4732990), (61, 4345040), (70, 3786392), (80, 3313093), (112, 2366495), (122, 2172520), (140, 1893196), (244, 1086260), (280, 946598), (305, 869008), (427, 620720), (488, 543130), (560, 473299), (610, 434504), (854, 310360), (976, 271565), (1220, 217252), (1708, 155180), (2135, 124144), (2440, 108626), (3416, 77590), (4270, 62072), (4880, 54313), (6832, 38795), (7759, 34160), (8540, 31036), (15518, 17080)]