31555440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{2087}}^1$

素因数の和:2116

約数の個数: 160

約数和(自身を含む): 124277760

約数和(自身を除く): 92722320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2087, 2160, 2520, 3024, 3780, 4174, 5040, 6261, 7560, 8348, 10435, 12522, 14609, 15120, 16696, 18783, 20870, 25044, 29218, 31305, 33392, 37566, 41740, 43827, 50088, 56349, 58436, 62610, 73045, 75132, 83480, 87654, 93915, 100176, 112698, 116872, 125220, 131481, 146090, 150264, 166960, 175308, 187830, 219135, 225396, 233744, 250440, 262962, 281745, 292180, 300528, 350616, 375660, 394443, 438270, 450792, 500880, 525924, 563490, 584360, 657405, 701232, 751320, 788886, 876540, 901584, 1051848, 1126980, 1168720, 1314810, 1502640, 1577772, 1753080, 1972215, 2103696, 2253960, 2629620, 3155544, 3506160, 3944430, 4507920, 5259240, 6311088, 7888860, 10518480, 15777720, 31555440]

約数ペア:

[(1, 31555440), (2, 15777720), (3, 10518480), (4, 7888860), (5, 6311088), (6, 5259240), (7, 4507920), (8, 3944430), (9, 3506160), (10, 3155544), (12, 2629620), (14, 2253960), (15, 2103696), (16, 1972215), (18, 1753080), (20, 1577772), (21, 1502640), (24, 1314810), (27, 1168720), (28, 1126980), (30, 1051848), (35, 901584), (36, 876540), (40, 788886), (42, 751320), (45, 701232), (48, 657405), (54, 584360), (56, 563490), (60, 525924), (63, 500880), (70, 450792), (72, 438270), (80, 394443), (84, 375660), (90, 350616), (105, 300528), (108, 292180), (112, 281745), (120, 262962), (126, 250440), (135, 233744), (140, 225396), (144, 219135), (168, 187830), (180, 175308), (189, 166960), (210, 150264), (216, 146090), (240, 131481), (252, 125220), (270, 116872), (280, 112698), (315, 100176), (336, 93915), (360, 87654), (378, 83480), (420, 75132), (432, 73045), (504, 62610), (540, 58436), (560, 56349), (630, 50088), (720, 43827), (756, 41740), (840, 37566), (945, 33392), (1008, 31305), (1080, 29218), (1260, 25044), (1512, 20870), (1680, 18783), (1890, 16696), (2087, 15120), (2160, 14609), (2520, 12522), (3024, 10435), (3780, 8348), (4174, 7560), (5040, 6261)]