331435440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{65761}}^1$

素因数の和:65787

約数の個数: 120

約数和(自身を含む): 1272100128

約数和(自身を除く): 940664688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 65761, 131522, 197283, 263044, 328805, 394566, 460327, 526088, 591849, 657610, 789132, 920654, 986415, 1052176, 1183698, 1315220, 1380981, 1578264, 1841308, 1972830, 2301635, 2367396, 2630440, 2761962, 2959245, 3156528, 3682616, 3945660, 4142943, 4603270, 4734792, 5260880, 5523924, 5918490, 6904905, 7365232, 7891320, 8285886, 9206540, 9469584, 11047848, 11836980, 13809810, 15782640, 16571772, 18413080, 20714715, 22095696, 23673960, 27619620, 33143544, 36826160, 41429430, 47347920, 55239240, 66287088, 82858860, 110478480, 165717720, 331435440]

約数ペア:

[(1, 331435440), (2, 165717720), (3, 110478480), (4, 82858860), (5, 66287088), (6, 55239240), (7, 47347920), (8, 41429430), (9, 36826160), (10, 33143544), (12, 27619620), (14, 23673960), (15, 22095696), (16, 20714715), (18, 18413080), (20, 16571772), (21, 15782640), (24, 13809810), (28, 11836980), (30, 11047848), (35, 9469584), (36, 9206540), (40, 8285886), (42, 7891320), (45, 7365232), (48, 6904905), (56, 5918490), (60, 5523924), (63, 5260880), (70, 4734792), (72, 4603270), (80, 4142943), (84, 3945660), (90, 3682616), (105, 3156528), (112, 2959245), (120, 2761962), (126, 2630440), (140, 2367396), (144, 2301635), (168, 1972830), (180, 1841308), (210, 1578264), (240, 1380981), (252, 1315220), (280, 1183698), (315, 1052176), (336, 986415), (360, 920654), (420, 789132), (504, 657610), (560, 591849), (630, 526088), (720, 460327), (840, 394566), (1008, 328805), (1260, 263044), (1680, 197283), (2520, 131522), (5040, 65761)]