85311520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 244254528

約数和(自身を除く): 158943008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 211, 224, 266, 280, 304, 361, 380, 422, 532, 560, 608, 665, 722, 760, 844, 1055, 1064, 1120, 1330, 1444, 1477, 1520, 1688, 1805, 2110, 2128, 2527, 2660, 2888, 2954, 3040, 3376, 3610, 4009, 4220, 4256, 5054, 5320, 5776, 5908, 6752, 7220, 7385, 8018, 8440, 10108, 10640, 11552, 11816, 12635, 14440, 14770, 16036, 16880, 20045, 20216, 21280, 23632, 25270, 28063, 28880, 29540, 32072, 33760, 40090, 40432, 47264, 50540, 56126, 57760, 59080, 64144, 76171, 80180, 80864, 101080, 112252, 118160, 128288, 140315, 152342, 160360, 202160, 224504, 236320, 280630, 304684, 320720, 380855, 404320, 449008, 533197, 561260, 609368, 641440, 761710, 898016, 1066394, 1122520, 1218736, 1523420, 2132788, 2245040, 2437472, 2665985, 3046840, 4265576, 4490080, 5331970, 6093680, 8531152, 10663940, 12187360, 17062304, 21327880, 42655760, 85311520]

約数ペア:

[(1, 85311520), (2, 42655760), (4, 21327880), (5, 17062304), (7, 12187360), (8, 10663940), (10, 8531152), (14, 6093680), (16, 5331970), (19, 4490080), (20, 4265576), (28, 3046840), (32, 2665985), (35, 2437472), (38, 2245040), (40, 2132788), (56, 1523420), (70, 1218736), (76, 1122520), (80, 1066394), (95, 898016), (112, 761710), (133, 641440), (140, 609368), (152, 561260), (160, 533197), (190, 449008), (211, 404320), (224, 380855), (266, 320720), (280, 304684), (304, 280630), (361, 236320), (380, 224504), (422, 202160), (532, 160360), (560, 152342), (608, 140315), (665, 128288), (722, 118160), (760, 112252), (844, 101080), (1055, 80864), (1064, 80180), (1120, 76171), (1330, 64144), (1444, 59080), (1477, 57760), (1520, 56126), (1688, 50540), (1805, 47264), (2110, 40432), (2128, 40090), (2527, 33760), (2660, 32072), (2888, 29540), (2954, 28880), (3040, 28063), (3376, 25270), (3610, 23632), (4009, 21280), (4220, 20216), (4256, 20045), (5054, 16880), (5320, 16036), (5776, 14770), (5908, 14440), (6752, 12635), (7220, 11816), (7385, 11552), (8018, 10640), (8440, 10108)]