31483760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 96422400

約数和(自身を除く): 64938640

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 35, 38, 40, 44, 55, 56, 70, 76, 77, 80, 88, 95, 110, 112, 133, 140, 152, 154, 176, 190, 209, 220, 266, 269, 280, 304, 308, 380, 385, 418, 440, 532, 538, 560, 616, 665, 760, 770, 836, 880, 1045, 1064, 1076, 1232, 1330, 1345, 1463, 1520, 1540, 1672, 1883, 2090, 2128, 2152, 2660, 2690, 2926, 2959, 3080, 3344, 3766, 4180, 4304, 5111, 5320, 5380, 5852, 5918, 6160, 7315, 7532, 8360, 9415, 10222, 10640, 10760, 11704, 11836, 14630, 14795, 15064, 16720, 18830, 20444, 20713, 21520, 23408, 23672, 25555, 29260, 29590, 30128, 35777, 37660, 40888, 41426, 47344, 51110, 56221, 58520, 59180, 71554, 75320, 81776, 82852, 102220, 103565, 112442, 117040, 118360, 143108, 150640, 165704, 178885, 204440, 207130, 224884, 236720, 281105, 286216, 331408, 357770, 393547, 408880, 414260, 449768, 562210, 572432, 715540, 787094, 828520, 899536, 1124420, 1431080, 1574188, 1657040, 1967735, 2248840, 2862160, 3148376, 3935470, 4497680, 6296752, 7870940, 15741880, 31483760]

約数ペア:

[(1, 31483760), (2, 15741880), (4, 7870940), (5, 6296752), (7, 4497680), (8, 3935470), (10, 3148376), (11, 2862160), (14, 2248840), (16, 1967735), (19, 1657040), (20, 1574188), (22, 1431080), (28, 1124420), (35, 899536), (38, 828520), (40, 787094), (44, 715540), (55, 572432), (56, 562210), (70, 449768), (76, 414260), (77, 408880), (80, 393547), (88, 357770), (95, 331408), (110, 286216), (112, 281105), (133, 236720), (140, 224884), (152, 207130), (154, 204440), (176, 178885), (190, 165704), (209, 150640), (220, 143108), (266, 118360), (269, 117040), (280, 112442), (304, 103565), (308, 102220), (380, 82852), (385, 81776), (418, 75320), (440, 71554), (532, 59180), (538, 58520), (560, 56221), (616, 51110), (665, 47344), (760, 41426), (770, 40888), (836, 37660), (880, 35777), (1045, 30128), (1064, 29590), (1076, 29260), (1232, 25555), (1330, 23672), (1345, 23408), (1463, 21520), (1520, 20713), (1540, 20444), (1672, 18830), (1883, 16720), (2090, 15064), (2128, 14795), (2152, 14630), (2660, 11836), (2690, 11704), (2926, 10760), (2959, 10640), (3080, 10222), (3344, 9415), (3766, 8360), (4180, 7532), (4304, 7315), (5111, 6160), (5320, 5918), (5380, 5852)]